2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change 43197 Esophagoscopy flex dx brush$ 196.15 $ 192.45 $ (3.69) ‐2%$ 86.02 $ 86.50 $ 0.48 1% 43198 Esophagosc flex trnsn biopy$ 216.30 $ 211.92 $ (4.38) ‐2%$ 102.21 $ 103.07 $ 0.86 1% 43200 Esophagoscopy flexible brush$ 220.62 $ 234.26 $ 13.64 6%$ 91.41 $ 91.18 $ (0.23) 0% 43201 Esoph scope w/submucous inj$ 225.66 $ 236.06 $ 10.40 5%$ 108.33 $ 107.76 $ (0.57) ‐1% 43202 Esophagoscopy flex biopsy$ 314.91 $ 330.13 $ 15.21 5%$ 108.69 $ 108.12 $ (0.57) ‐1% 43204 Esoph scope w/sclerosis inj$ 94.29 $ 94.79 $ 0.49 1%$ 142.88 $ 142.72 $ (0.16) 0% 43205 /ligation$ 98.97 $ 99.47 $ 0.50 1%$ 149.36 $ 148.85 $ (0.51) 0% 43206 Esoph optical endomicroscopy$ 273.52 $ 282.91 $ 9.39 3%$ 140.72 $ 140.56 $ (0.16) 0% 43210 Egd esophagogastrc fndoplsty$ 345.50 $ 325.80 $ (19.70) ‐6%$ 468.95 $ 452.30 $ (16.65) ‐4% 43211 Esophagoscop mucosal resect$ 172.39 $ 172.63 $ 0.24 0%$ 248.33 $ 247.59 $ (0.74) 0% 43212 Esophagoscop stent placement$ 143.96 $ 144.16 $ 0.20 0%$ 200.10 $ 199.66 $ (0.44) 0% 43213 Esophagoscopy retro balloon$ 1,177.23 $ 1,219.59 $ 42.36 4%$ 272.44 $ 272.46 $ 0.02 0% 43214 Esophagosc dilate balloon 30$ 140.36 $ 139.47 $ (0.89) ‐1%$ 202.98 $ 202.18 $ (0.80) 0% 43215 Esophagoscopy flex remove fb$ 369.26 $ 381.30 $ 12.05 3%$ 149.00 $ 149.21 $ 0.21 0% 43216 Esophagoscopy lesion removal$ 367.10 $ 383.11 $ 16.01 4%$ 140.72 $ 139.11 $ (1.61) ‐1% 43217 Esophagoscopy snare les remv$ 389.41 $ 401.85 $ 12.43 3%$ 169.87 $ 169.03 $ (0.85) 0% 43220 Esophagoscopy balloon <30mm$ 1,098.05 $ 1,066.06 $ (31.99) ‐3%$ 124.17 $ 123.62 $ (0.55) 0% 43226 Esoph endoscopy dilation$ 324.63 $ 345.62 $ 20.99 6%$ 136.76 $ 136.95 $ 0.19 0% 43227 Esophagoscopy control bleed$ 646.02 $ 641.15 $ (4.87) ‐1%$ 174.55 $ 174.43 $ (0.12) 0% 43229 Esophagoscopy lesion ablate$ 664.74 $ 688.00 $ 23.27 4%$ 208.74 $ 207.95 $ (0.79) 0% 43231 Esophagoscop ultrasound exam$ 343.34 $ 352.83 $ 9.49 3%$ 168.43 $ 167.59 $ (0.85) ‐1% 43232 Esophagoscopy w/us needle bx$ 416.04 $ 428.52 $ 12.47 3%$ 209.82 $ 209.75 $ (0.07) 0% 43235 Egd diagnostic brush wash$ 263.09 $ 274.26 $ 11.18 4%$ 129.92 $ 129.02 $ (0.90) ‐1% 43233 Egd balloon dil esoph30 mm/>$ 167.71 $ 168.67 $ 0.95 1%$ 241.49 $ 240.75 $ (0.75) 0% 43236 Uppr gi scope w/submuc inj$ 337.59 $ 360.76 $ 23.17 7%$ 146.48 $ 145.96 $ (0.52) 0% 43237 Endoscopic us exam esoph$ 141.08 $ 140.92 $ (0.16) 0%$ 207.66 $ 206.51 $ (1.15) ‐1% 43238 Egd us fine needle bx/aspir$ 168.79 $ 169.03 $ 0.23 0%$ 246.17 $ 245.43 $ (0.74) 0% 43239 Egd biopsy single/multiple$ 351.98 $ 367.25 $ 15.27 4%$ 146.12 $ 145.96 $ (0.16) 0% 43240 Egd w/transmural drain cyst$ 290.08 $ 290.84 $ 0.76 0%$ 414.96 $ 414.46 $ (0.50) 0% 43241 Egd tube/cath insertion$ 101.85 $ 102.35 $ 0.50 0%$ 150.44 $ 150.29 $ (0.15) 0% 43242 Egd us fine needle bx/aspir$ 191.47 $ 191.73 $ 0.27 0%$ 278.20 $ 277.15 $ (1.06) 0% 43243 Egd injection varices$ 173.83 $ 174.07 $ 0.24 0%$ 250.85 $ 250.12 $ (0.73) 0% 43244 Egd varices ligation$ 178.15 $ 178.40 $ 0.25 0%$ 259.49 $ 258.41 $ (1.08) 0% 43245 Egd dilate stricture$ 567.92 $ 584.57 $ 16.65 3%$ 186.07 $ 184.89 $ (1.18) ‐1% 43246 Egd place tube$ 147.92 $ 148.12 $ 0.21 0%$ 211.62 $ 211.19 $ (0.43) 0% 43247 Egd remove foreign body$ 359.18 $ 369.05 $ 9.87 3%$ 187.87 $ 186.69 $ (1.18) ‐1% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 1 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change 43248 Egd guide wire insertion$ 359.18 $ 379.14 $ 19.96 6%$ 175.63 $ 175.15 $ (0.48) 0% 43249 Esoph egd dilation <30 mm$ 1,044.79 $ 1,080.84 $ 36.05 3%$ 161.96 $ 161.82 $ (0.14) 0% 43250 Egd cautery tumor polyp$ 408.49 $ 424.91 $ 16.43 4%$ 180.31 $ 179.12 $ (1.19) ‐1% 43251 Egd remove lesion snare$ 452.75 $ 469.96 $ 17.21 4%$ 208.02 $ 206.87 $ (1.15) ‐1% 43252 Egd optical endomicroscopy$ 311.31 $ 322.92 $ 11.60 4%$ 178.15 $ 178.40 $ 0.25 0% 43253 Egd us transmural injxn/mark$ 191.47 $ 192.09 $ 0.63 0%$ 278.20 $ 277.51 $ (0.69) 0% 43254 Egd endo mucosal resection$ 197.59 $ 197.86 $ 0.27 0%$ 286.12 $ 285.08 $ (1.04) 0% 43255 Egd control bleeding any$ 683.09 $ 676.11 $ (6.98) ‐1%$ 212.70 $ 211.55 $ (1.15) ‐1% 43257 Egd w/thrml txmnt gerd$ 170.23 $ 170.47 $ 0.24 0%$ 245.81 $ 245.07 $ (0.74) 0% 43259 Egd us exam duodenum/jejunum$ 163.39 $ 163.62 $ 0.23 0%$ 239.33 $ 238.58 $ (0.75) 0% 43266 Egd endoscopic stent place$ 160.88 $ 161.46 $ 0.58 0%$ 230.70 $ 230.30 $ (0.40) 0% 43270 Egd lesion ablation$ 685.25 $ 708.19 $ 22.94 3%$ 237.53 $ 236.78 $ (0.75) 0% 43260 Ercp w/specimen collection$ 237.17 $ 237.50 $ 0.33 0%$ 341.55 $ 340.58 $ (0.97) 0% 43261 Endo cholangiopancreatograph$ 249.41 $ 249.76 $ 0.35 0%$ 358.82 $ 357.52 $ (1.30) 0% 43262 Endo cholangiopancreatograph$ 263.09 $ 263.45 $ 0.37 0%$ 377.90 $ 376.98 $ (0.92) 0% 43263 Ercp sphincter pressure meas$ 263.81 $ 264.17 $ 0.37 0%$ 378.25 $ 377.34 $ (0.92) 0% 43264 Ercp remove duct calculi$ 268.49 $ 268.86 $ 0.37 0%$ 385.45 $ 384.19 $ (1.27) 0% 43265 Ercp lithotripsy calculi$ 321.03 $ 321.84 $ 0.81 0%$ 458.15 $ 457.35 $ (0.81) 0% 43273 Endoscopic pancreatoscopy$ 91.05 $ 90.82 $ (0.23) 0%$ 126.32 $ 125.78 $ (0.55) 0% 43274 Ercp duct stent placement$ 343.70 $ 344.54 $ 0.84 0%$ 489.82 $ 488.70 $ (1.12) 0% 43275 Ercp remove forgn body duct$ 278.20 $ 278.95 $ 0.75 0%$ 398.77 $ 397.88 $ (0.89) 0% 43276 Ercp stent exchange w/dilate$ 358.10 $ 358.96 $ 0.86 0%$ 509.98 $ 508.88 $ (1.09) 0% 43277 Ercp ea duct/ampulla dilate$ 279.64 $ 280.03 $ 0.39 0%$ 400.93 $ 399.68 $ (1.24) 0% 43278 Ercp lesion ablate w/dilate$ 321.39 $ 321.48 $ 0.09 0%$ 458.51 $ 456.63 $ (1.89) 0% 44360 Small bowel endoscopy$ 100.77 $ 101.27 $ 0.50 0%$ 151.88 $ 151.37 $ (0.51) 0% 44361 Small bowel endoscopy/biopsy$ 112.29 $ 112.81 $ 0.52 0%$ 167.71 $ 167.59 $ (0.13) 0% 44363 S bowel endoscope/foreign body$ 138.56 $ 138.75 $ 0.19 0%$ 203.34 $ 202.54 $ (0.80) 0% 44364 Small bowel endoscopy/snare$ 147.56 $ 147.40 $ (0.16) 0%$ 216.66 $ 215.88 $ (0.78) 0% 44365 S bowel endoscope/hot biopsy$ 129.20 $ 130.10 $ 0.90 1%$ 191.83 $ 191.73 $ (0.09) 0% 44366 S bowel endoscope/ctrl bleeding$ 174.19 $ 174.43 $ 0.24 0%$ 254.09 $ 253.00 $ (1.09) 0% 44369 Small bowel endoscopy/ablate$ 178.51 $ 178.76 $ 0.25 0%$ 259.85 $ 259.13 $ (0.72) 0% 44370 Small bowel endoscopy/stent$ 192.55 $ 192.45 $ (0.09) 0%$ 281.80 $ 281.11 $ (0.69) 0% 44372 S bowel endoscope/place J‐tube$ 176.35 $ 176.60 $ 0.24 0%$ 253.73 $ 253.00 $ (0.73) 0% 44373 S bowel endoscope/convert J‐tube$ 139.64 $ 139.47 $ (0.17) 0%$ 203.34 $ 202.54 $ (0.80) 0% 44376 S bowel endoscopy, $ 209.82 $ 209.75 $ (0.07) 0%$ 300.88 $ 299.85 $ (1.02) 0% 44377 S bowel endoscopy, enteroscopy/bx$ 220.62 $ 220.93 $ 0.31 0%$ 317.07 $ 316.07 $ (1.00) 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 2 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change 44378 S bowel endoscope/ctrl bleeding$ 283.96 $ 284.72 $ 0.75 0%$ 407.05 $ 406.17 $ (0.88) 0% 44379 S bowel endoscope, enteroscopy/stent$ 298.72 $ 299.49 $ 0.78 0%$ 432.96 $ 432.12 $ (0.84) 0% 44380 Ileoscopy thru stoma$ 172.75 $ 179.12 $ 6.37 4%$ 59.74 $ 59.11 $ (0.64) ‐1% 44381 Small bowel endoscopy br/wa$ 947.26 $ 975.96 $ 28.71 3%$ 88.54 $ 87.94 $ (0.60) ‐1% 44382 Ileoscopy thru stoma/biopsy$ 271.36 $ 281.11 $ 9.75 4%$ 77.38 $ 77.13 $ (0.25) 0% 44384 Small bowel endoscopy$ 114.45 $ 114.61 $ 0.16 0%$ 161.60 $ 161.10 $ (0.50) 0% 44385 Endoscopy of bowel pouch$ 197.23 $ 201.82 $ 4.60 2%$ 75.94 $ 75.32 $ (0.62) ‐1% 44386 Endoscopy bowel pouch/biop$ 293.68 $ 301.29 $ 7.62 3%$ 93.93 $ 93.70 $ (0.23) 0% 44388 C‐stoma$ 296.92 $ 303.46 $ 6.54 2%$ 165.55 $ 164.34 $ (1.21) ‐1% 44388 53 C‐stoma$ 147.56 $ 226.33 $ 78.77 53%$ 81.34 $ 86.86 $ 5.52 7% 44389 C‐stoma with biopsy$ 389.77 $ 399.32 $ 9.55 2%$ 182.11 $ 180.92 $ (1.19) ‐1% 44390 C‐stoma for foreign body$ 386.89 $ 395.00 $ 8.11 2%$ 223.50 $ 222.37 $ (1.13) ‐1% 44391 C‐stoma for bleeding$ 712.24 $ 695.93 $ (16.31) ‐2%$ 242.93 $ 241.83 $ (1.10) 0% 44392 C‐stoma & polypectomy$ 361.70 $ 369.41 $ 7.71 2%$ 210.18 $ 209.75 $ (0.43) 0% 44394 C‐stoma w/snare$ 415.32 $ 424.91 $ 9.59 2%$ 238.97 $ 237.86 $ (1.11) 0% 44401 C‐stoma with ablation$ 3,275.81 $ 3,107.37 $ (168.44) ‐5%$ 255.53 $ 255.52 $ (0.01) 0% 44402 C‐stoma w/stent plcmt$ 190.75 $ 191.01 $ 0.26 0%$ 277.12 $ 276.07 $ (1.06) 0% 44403 C‐stoma w/resection$ 223.50 $ 223.81 $ 0.31 0%$ 321.75 $ 320.40 $ (1.36) 0% 44404 C‐stoma w/injection$ 373.22 $ 389.23 $ 16.02 4%$ 182.83 $ 181.28 $ (1.55) ‐1% 44405 C‐stoma w/dilation$ 551.37 $ 561.14 $ 9.78 2%$ 193.99 $ 193.53 $ (0.45) 0% 44406 C‐stoma w/ultrasound$ 166.63 $ 166.87 $ 0.23 0%$ 243.29 $ 242.55 $ (0.74) 0% 44407 C‐stoma w/ndl aspir/bx$ 201.54 $ 201.82 $ 0.28 0%$ 291.88 $ 291.20 $ (0.68) 0% 44408 C‐stoma w/decompression$ 168.07 $ 168.31 $ 0.23 0%$ 245.45 $ 244.35 $ (1.10) 0% 45330 Diagnostic $ 173.11 $ 175.88 $ 2.76 2%$ 59.02 $ 58.75 $ (0.28) 0% 45331 Sigmoidoscopy and biopsy$ 264.89 $ 273.90 $ 9.02 3%$ 75.58 $ 74.96 $ (0.62) ‐1% 45332 Sigmoidoscopy w/fb removal$ 258.77 $ 265.25 $ 6.49 3%$ 110.85 $ 110.28 $ (0.57) ‐1% 45333 Sigmoidoscopy & polypectomy$ 302.32 $ 312.47 $ 10.15 3%$ 98.97 $ 98.39 $ (0.58) ‐1% 45334 Sigmoidoscopy for bleeding$ 566.48 $ 553.93 $ (12.55) ‐2%$ 124.17 $ 123.98 $ (0.19) 0% 45335 Sigmoidoscopy w/submuc inj$ 240.77 $ 257.69 $ 16.91 7%$ 69.82 $ 69.56 $ (0.26) 0% 45337 Sigmoidoscopy & decompress$ 86.38 $ 86.86 $ 0.48 1%$ 121.65 $ 121.45 $ (0.19) 0% 45338 Sigmoidoscopy w/tumr remove$ 276.40 $ 284.00 $ 7.59 3%$ 127.40 $ 126.14 $ (1.26) ‐1% 45340 Sig w/balloon dilation$ 444.12 $ 454.82 $ 10.71 2%$ 82.06 $ 81.45 $ (0.61) ‐1% 45341 Sigmoidoscopy w/ultrasound$ 85.66 $ 86.14 $ 0.48 1%$ 130.28 $ 130.10 $ (0.18) 0% 45342 Sigmoidoscopy w/us guide bx$ 120.57 $ 120.73 $ 0.17 0%$ 179.59 $ 178.76 $ (0.83) 0% 45346 Sigmoidoscopy w/ablation$ 3,148.05 $ 2,968.25 $ (179.79) ‐6%$ 169.87 $ 169.39 $ (0.48) 0% 45347 Sigmoidoscopy w/plcmt stent$ 110.85 $ 111.00 $ 0.15 0%$ 163.03 $ 162.90 $ (0.13) 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 3 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change 45349 Sigmoidoscopy w/resection$ 143.60 $ 143.08 $ (0.52) 0%$ 210.54 $ 209.03 $ (1.51) ‐1% 45350 Sgmdsc w/band ligation$ 542.01 $ 590.70 $ 48.69 9%$ 106.53 $ 105.96 $ (0.57) ‐1% 45378 Diagnostic $ 324.63 $ 330.85 $ 6.22 2%$ 195.79 $ 194.98 $ (0.81) 0% 45378 53 Diagnostic colonoscopy$ 162.67 $ 239.31 $ 76.63 47%$ 97.89 $ 103.07 $ 5.18 5% 45379 Colonoscopy w/fb removal$ 418.56 $ 427.43 $ 8.87 2%$ 252.65 $ 252.28 $ (0.37) 0% 45380 Colonoscopy and biopsy$ 415.68 $ 424.91 $ 9.23 2%$ 212.70 $ 211.55 $ (1.15) ‐1% 45381 Colonoscopy submucous inj$ 397.69 $ 415.18 $ 17.49 4%$ 212.70 $ 211.55 $ (1.15) ‐1% 45382 Colonoscopy/control bleeding$ 740.31 $ 728.73 $ (11.59) ‐2%$ 274.24 $ 273.18 $ (1.06) 0% 45384 Lesion remove colonoscopy$ 461.75 $ 473.21 $ 11.45 2%$ 241.49 $ 240.75 $ (0.75) 0% 45385 Lesion removal colonoscopy$ 436.56 $ 446.18 $ 9.62 2%$ 269.21 $ 268.50 $ (0.71) 0% 45386 Colonoscopy dilate stricture$ 600.67 $ 612.68 $ 12.01 2%$ 224.22 $ 223.45 $ (0.77) 0% 45388 Colonoscopy w/ablation$ 3,302.44 $ 3,130.43 $ (172.01) ‐5%$ 286.48 $ 285.44 $ (1.04) 0% 45389 Colonoscopy w/stent plcmt$ 214.14 $ 214.44 $ 0.30 0%$ 306.99 $ 305.98 $ (1.02) 0% 45390 Colonoscopy w/resection$ 245.09 $ 245.43 $ 0.34 0%$ 352.34 $ 351.03 $ (1.31) 0% 45391 Colonoscopy w/endoscope us$ 188.23 $ 188.49 $ 0.26 0%$ 272.80 $ 272.10 $ (0.70) 0% 45392 Colonoscopy w/endoscopic fnb$ 223.86 $ 223.45 $ (0.41) 0%$ 322.11 $ 321.12 $ (0.99) 0% 45393 Colonoscopy w/decompression$ 192.19 $ 192.81 $ 0.63 0%$ 267.41 $ 267.06 $ (0.35) 0% 45398 Colonoscopy w/band ligation$ 701.81 $ 752.15 $ 50.35 7%$ 248.33 $ 247.96 $ (0.38) 0% 74261 Ct colonography dx$ 495.22 $ 489.42 $ (5.80) ‐1%$ 92.13 $ 92.26 $ 0.13 0% 74261 TC Ct colonography dx$ 372.14 $ 366.17 $ (5.97) ‐2%$ 0.72 $ 0.72 $ 0.00 0% 74261 26 Ct colonography dx$ 123.09 $ 123.26 $ 0.17 0%$ 123.09 $ 123.26 $ 0.17 0% 74262 Ct colonography dx w/dye$ 554.61 $ 549.61 $ (5.00) ‐1%$ 95.73 $ 95.87 $ 0.13 0% 74262 TC Ct colonography dx w/dye$ 426.48 $ 421.31 $ (5.17) ‐1%$ 0.72 $ 0.72 $ 0.00 0% 74262 26 Ct colonography dx w/dye$ 128.12 $ 128.30 $ 0.18 0%$ 128.12 $ 128.30 $ 0.18 0% 74263 Ct colonography screening$ 776.30 $ 767.65 $ (8.65) ‐1%$ 85.30 $ 85.41 $ 0.12 0% 74263 TC Ct colonography screening$ 660.06 $ 651.60 $ (8.45) ‐1%$ 0.72 $ 0.72 $ 0.00 0% 74263 26 Ct colonography screening$ 116.25 $ 116.05 $ (0.20) 0%$ 116.25 $ 116.05 $ (0.20) 0% 88304 Tissue exam by pathologist$ 41.75 $ 41.09 $ (0.66) ‐2%$ 8.64 $ 8.65 $ 0.01 0% 88304 TC Tissue exam by pathologist$ 29.51 $ 29.19 $ (0.32) ‐1%$ 0.36 $ 0.36 $ 0.00 0% 88304 26 Tissue exam by pathologist$ 12.24 $ 11.89 $ (0.34) ‐3%$ 12.24 $ 11.89 $ (0.34) ‐3% 88305 Tissue exam by pathologist$ 70.18 $ 70.28 $ 0.10 0%$ 28.07 $ 28.11 $ 0.04 0% 88305 TC Tissue exam by pathologist$ 30.23 $ 30.63 $ 0.40 1%$ 0.36 $ 0.36 $ 0.00 0% 88305 26 Tissue exam by pathologist$ 39.95 $ 39.64 $ (0.30) ‐1%$ 39.95 $ 39.64 $ (0.30) ‐1% 91010 Esophagus motility study$ 181.03 $ 193.90 $ 12.87 7%$ 49.31 $ 49.37 $ 0.07 0% 91010 TC Esophagus motility study$ 112.29 $ 125.06 $ 12.77 11%$ 0.36 $ 0.36 $ 0.00 0% 91010 26 Esophagus motility study$ 68.74 $ 68.84 $ 0.10 0%$ 68.74 $ 68.84 $ 0.10 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 4 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change 91013 Esophgl motil w/stim/perfus$ 25.91 $ 26.31 $ 0.40 2%$ 6.84 $ 6.85 $ 0.01 0% 91013 TC Esophgl motil w/stim/perfus$ 16.20 $ 16.58 $ 0.38 2%$ ‐ $ ‐ $ ‐ #DIV/0! 91013 26 Esophgl motil w/stim/perfus$ 9.72 $ 9.73 $ 0.01 0%$ 9.72 $ 9.73 $ 0.01 0% 91020 Gastric motility studies$ 241.13 $ 252.64 $ 11.51 5%$ 54.70 $ 54.78 $ 0.08 0% 91020 TC Gastric motility studies$ 164.11 $ 175.88 $ 11.76 7%$ 0.72 $ 0.72 $ 0.00 0% 91020 26 Gastric motility studies$ 77.02 $ 76.77 $ (0.25) 0%$ 77.02 $ 76.77 $ (0.25) 0% 91022 Duodenal motility study$ 173.47 $ 172.63 $ (0.84) 0%$ 54.70 $ 54.78 $ 0.08 0% 91022 TC Duodenal motility study$ 96.45 $ 95.87 $ (0.59) ‐1%$ 0.72 $ 0.72 $ 0.00 0% 91022 26 Duodenal motility study$ 77.02 $ 76.77 $ (0.25) 0%$ 77.02 $ 76.77 $ (0.25) 0% 91030 Acid perfusion of esophagus$ 140.36 $ 140.92 $ 0.56 0%$ 34.55 $ 34.60 $ 0.05 0% 91030 TC Acid perfusion of esophagus$ 91.41 $ 92.26 $ 0.85 1%$ 0.36 $ 0.36 $ 0.00 0% 91030 26 Acid perfusion of esophagus$ 48.95 $ 48.65 $ (0.29) ‐1%$ 48.95 $ 48.65 $ (0.29) ‐1% 91034 Gastroesophageal reflux test$ 192.55 $ 194.26 $ 1.71 1%$ 37.79 $ 37.84 $ 0.05 0% 91034 TC Gastroesophageal reflux test$ 140.36 $ 142.00 $ 1.64 1%$ 0.36 $ 0.36 $ 0.00 0% 91034 26 Gastroesophageal reflux test$ 52.19 $ 52.26 $ 0.07 0%$ 52.19 $ 52.26 $ 0.07 0% 91035 G‐esoph reflx tst w/electrod$ 493.42 $ 493.03 $ (0.40) 0%$ 61.90 $ 61.99 $ 0.09 0% 91035 TC G‐esoph reflx tst w/electrod$ 407.41 $ 407.25 $ (0.15) 0%$ 0.36 $ 0.36 $ 0.00 0% 91035 26 G‐esoph reflx tst w/electrod$ 86.02 $ 85.78 $ (0.24) 0%$ 86.02 $ 85.78 $ (0.24) 0% 91037 Esoph imped function test$ 165.19 $ 167.95 $ 2.75 2%$ 37.07 $ 37.48 $ 0.41 1% 91037 TC Esoph imped function test$ 113.37 $ 115.69 $ 2.32 2%$ 0.36 $ 0.36 $ 0.00 0% 91037 26 Esoph imped function test$ 51.83 $ 52.26 $ 0.43 1%$ 51.83 $ 52.26 $ 0.43 1% 91038 Esoph imped funct test > 1hr$ 459.23 $ 452.66 $ (6.57) ‐1%$ 42.11 $ 41.81 $ (0.30) ‐1% 91038 TC Esoph imped funct test > 1hr$ 400.21 $ 393.92 $ (6.29) ‐2%$ 0.36 $ 0.36 $ 0.00 0% 91038 26 Esoph imped funct test > 1hr$ 59.02 $ 58.75 $ (0.28) 0%$ 59.02 $ 58.75 $ (0.28) 0% 91040 Esoph balloon distension tst$ 458.51 $ 488.34 $ 29.83 7%$ 36.71 $ 38.56 $ 1.85 5% 91040 TC Esoph balloon distension tst$ 408.49 $ 436.08 $ 27.60 7%$ 0.36 $ 0.36 $ 0.00 0% 91040 26 Esoph balloon distension tst$ 50.03 $ 52.26 $ 2.23 4%$ 50.03 $ 52.26 $ 2.23 4% 91065 Breath hydrogen/methane test$ 73.78 $ 76.77 $ 2.99 4%$ 7.92 $ 7.93 $ 0.01 0% 91065 TC Breath hydrogen/methane test$ 63.34 $ 66.31 $ 2.97 5%$ 0.36 $ 0.36 $ 0.00 0% 91065 26 Breath hydrogen/methane test$ 10.44 $ 10.45 $ 0.01 0%$ 10.44 $ 10.45 $ 0.01 0% 91110 Gi tract $ 926.02 $ 900.28 $ (25.74) ‐3%$ 93.93 $ 94.06 $ 0.13 0% 91110 TC Gi tract capsule endoscopy$ 793.22 $ 767.65 $ (25.57) ‐3%$ 0.36 $ 0.36 $ 0.00 0% 91110 26 Gi tract capsule endoscopy$ 132.80 $ 132.63 $ (0.18) 0%$ 132.80 $ 132.63 $ (0.18) 0% 91111 Esophageal capsule endoscopy$ 762.99 $ 824.60 $ 61.61 8%$ 38.15 $ 38.20 $ 0.05 0% 91111 TC Esophageal capsule endoscopy$ 709.36 $ 770.90 $ 61.53 9%$ 0.36 $ 0.36 $ 0.00 0% 91111 26 Esophageal capsule endoscopy$ 53.63 $ 53.70 $ 0.07 0%$ 53.63 $ 53.70 $ 0.07 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 5 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change 91112 Gi wireless capsule measure$ 1,098.41 $ 1,290.59 $ 192.18 17%$ 79.18 $ 79.29 $ 0.11 0% 91112 TC Gi wireless capsule measure$ 986.49 $ 1,178.87 $ 192.38 20%$ 0.36 $ 0.36 $ 0.00 0% 91112 26 Gi wireless capsule measure$ 111.93 $ 111.72 $ (0.20) 0%$ 111.93 $ 111.72 $ (0.20) 0% 91117 Colon motility 6 hr study$ 94.29 $ 94.42 $ 0.13 0%$ 143.24 $ 142.72 $ (0.52) 0% 91120 Rectal sensation test$ 435.48 $ 466.00 $ 30.52 7%$ 37.43 $ 37.48 $ 0.05 0% 91120 TC Rectal sensation test$ 384.37 $ 414.82 $ 30.45 8%$ 0.36 $ 0.36 $ 0.00 0% 91120 26 Rectal sensation test$ 51.11 $ 51.18 $ 0.07 0%$ 51.11 $ 51.18 $ 0.07 0% 91122 Anal pressure record$ 235.73 $ 246.87 $ 11.14 5%$ 68.74 $ 68.84 $ 0.10 0% 91122 TC Anal pressure record$ 142.88 $ 153.89 $ 11.01 8%$ 0.72 $ 0.72 $ 0.00 0% 91122 26 Anal pressure record$ 92.85 $ 92.98 $ 0.13 0%$ 92.85 $ 92.98 $ 0.13 0% 91132 Electrogastrography$ 154.04 $ 245.07 $ 91.03 59%$ 19.79 $ 19.82 $ 0.03 0% 91132 TC Electrogastrography$ 126.32 $ 217.32 $ 91.00 72%$ 0.36 $ 0.36 $ 0.00 0% 91132 26 Electrogastrography$ 27.71 $ 27.75 $ 0.04 0%$ 27.71 $ 27.75 $ 0.04 0% 91133 Electrogastrography w/test$ 177.07 $ 267.78 $ 90.71 51%$ 25.19 $ 25.23 $ 0.03 0% 91133 TC Electrogastrography w/test$ 141.80 $ 232.46 $ 90.66 64%$ 0.36 $ 0.36 $ 0.00 0% 91133 26 Electrogastrography w/test$ 35.27 $ 35.32 $ 0.05 0%$ 35.27 $ 35.32 $ 0.05 0% 91200 elastography$ 41.03 $ 39.64 $ (1.38) ‐3%$ 10.44 $ 10.45 $ 0.01 0% 91200 TC Liver elastography$ 26.63 $ 25.23 $ (1.40) ‐5%$ 0.36 $ 0.36 $ 0.00 0% 91200 26 Liver elastography$ 14.40 $ 14.42 $ 0.02 0%$ 14.40 $ 14.42 $ 0.02 0% 96360 Hydration iv infusion init$ 47.51 $ 38.56 $ (8.94) ‐19%$ 6.84 $ 6.85 $ 0.01 0% 96361 Hydrate iv infusion add‐on$ 14.04 $ 13.70 $ (0.34) ‐2%$ 3.60 $ 3.60 $ 0.00 0% 96365 Ther/proph/diag iv inf init$ 74.14 $ 72.80 $ (1.34) ‐2%$ 9.00 $ 9.01 $ 0.01 0% 96366 Ther/proph/diag iv inf addon$ 22.31 $ 21.98 $ (0.33) ‐1%$ 6.84 $ 6.85 $ 0.01 0% 96367 Tx/proph/dg addl seq iv inf$ 32.03 $ 31.72 $ (0.32) ‐1%$ 7.56 $ 7.57 $ 0.01 0% 96368 Ther/diag concurrent inf$ 21.23 $ 21.26 $ 0.03 0%$ 6.48 $ 6.49 $ 0.01 0% 96369 Sc ther infusion up to 1 hr$ 176.71 $ 169.03 $ (7.68) ‐4%$ 8.64 $ 8.29 $ (0.35) ‐4% 96370 Sc ther infusion addl hr$ 15.84 $ 15.86 $ 0.02 0%$ 6.84 $ 6.85 $ 0.01 0% 96371 Sc ther infusion reset pump$ 64.78 $ 66.31 $ 1.53 2%$ ‐ $ ‐ $ ‐ NA 96372 Ther/proph/diag inj sc/im$ 20.87 $ 16.94 $ (3.94) ‐19%$ 6.48 $ 6.49 $ 0.01 0% 96413 Chemo iv infusion 1 hr$ 144.68 $ 143.08 $ (1.60) ‐1%$ 12.96 $ 12.97 $ 0.02 0% 96415 Chemo iv infusion addl hr$ 31.67 $ 30.99 $ (0.68) ‐2%$ 7.56 $ 7.57 $ 0.01 0% 96570 Photodynmc tx 30 min add‐on$ 53.27 $ 53.34 $ 0.07 0%$ 53.27 $ 53.34 $ 0.07 0% 96571 Photodynamic tx addl 15 min$ 30.23 $ 29.91 $ (0.32) ‐1%$ 30.23 $ 29.91 $ (0.32) ‐1% G0104 Ca screen;flexi sigmoidscope$ 173.11 $ 175.88 $ 2.76 2%$ 59.02 $ 58.75 $ (0.28) 0% G0105 Colorectal scrn; hi risk ind$ 324.27 $ 330.49 $ 6.22 2%$ 195.43 $ 194.62 $ (0.81) 0% G0105 53 Colorectal scrn; hi risk ind$ 161.60 $ 238.95 $ 77.35 48%$ 97.53 $ 102.71 $ 5.18 5% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 6 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 FINAL 2019 FINAL 2018 FINAL 2019 FINAL Non‐Facility Non‐Facility Facility Total Facility Total Payment Payment Payment Payment CPT Mod Short Descriptor Amount Amount Change % Change Amount Amount Change % Change G0121 Colon ca scrn not hi rsk ind$ 324.63 $ 330.85 $ 6.22 2%$ 195.79 $ 194.98 $ (0.81) 0% G0121 53 Colon ca scrn not hi rsk ind$ 162.31 $ 382.38 $ 220.07 136%$ 97.89 $ 92.98 $ (4.91) ‐5%

Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 7 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs 43197 Esophagoscopy flex dx brush 1.52 1.52 0.00 0% 3.69 3.57 ‐0.12 ‐3% 0.63 0.63 43198 Esophagosc flex trnsn biopy 1.82 1.82 0.00 0% 3.92 3.79 ‐0.13 ‐3% 0.75 0.77 43200 Esophagoscopy flexible brush 1.42 1.42 0.00 0% 4.49 4.86 0.37 8% 0.90 0.89 43201 Esoph scope w/submucous inj 1.72 1.72 0.00 0% 4.29 4.58 0.29 7% 1.03 1.02 43202 Esophagoscopy flex biopsy 1.72 1.72 0.00 0% 6.77 7.19 0.42 6% 1.04 1.03 43204 Esoph scope w/sclerosis inj 2.33 2.33 0.00 0% NA NA 0.00 NA 1.35 1.33 43205 Esophagus endoscopy/ligation 2.44 2.44 0.00 0% NA NA 0.00 0% 1.40 1.37 43206 Esoph optical endomicroscopy 2.29 2.29 0.00 0% 5.02 5.26 0.24 5% 1.33 1.31 43210 Egd esophagogastrc fndoplsty 7.75 7.75 0.00 0% NA NA 0.00 0% 3.43 3.51 43211 Esophagoscop mucosal resect 4.20 4.20 0.00 0% NA NA 0.00 0% 2.11 2.08 43212 Esophagoscop stent placement 3.40 3.40 0.00 0% NA NA 0.00 0% 1.56 1.54 43213 Esophagoscopy retro balloon 4.63 4.63 0.00 0% 27.40 28.54 1.14 4% 2.26 2.26 43214 Esophagosc dilate balloon 30 3.40 3.40 0.00 0% NA NA 0.00 0% 1.74 1.74 43215 Esophagoscopy flex remove fb 2.44 2.44 0.00 0% 7.43 7.74 0.31 4% 1.31 1.30 43216 Esophagoscopy lesion removal 2.30 2.30 0.00 0% 7.61 8.06 0.45 6% 1.32 1.29 43217 Esophagoscopy snare les remv 2.80 2.80 0.00 0% 7.59 7.94 0.35 5% 1.49 1.48 43220 Esophagoscopy balloon <30mm 2.00 2.00 0.00 0% 28.22 27.30 ‐0.92 ‐3% 1.16 1.15 43226 Esoph endoscopy dilation 2.24 2.24 0.00 0% 6.44 6.99 0.55 9% 1.22 1.20 43227 Esophagoscopy control bleed 2.89 2.89 0.00 0% 14.68 14.51 ‐0.17 ‐1% 1.58 1.56 43229 Esophagoscopy lesion ablate 3.49 3.49 0.00 0% 14.50 15.13 0.63 4% 1.83 1.81 43231 Esophagoscop ultrasound exam 2.80 2.80 0.00 0% 6.41 6.66 0.25 4% 1.55 1.52 43232 Esophagoscopy w/us needle bx 3.59 3.59 0.00 0% 7.56 7.88 0.32 4% 1.83 1.81 43235 Egd diagnostic brush wash 2.09 2.09 0.00 0% 4.93 5.24 0.31 6% 1.23 1.21 43233 Egd balloon dil esoph30 mm/> 4.07 4.07 0.00 0% NA NA 0.00 0% 2.05 2.00 43236 Uppr gi scope w/submuc inj 2.39 2.39 0.00 0% 6.68 7.30 0.62 9% 1.37 1.34 43237 Endoscopic us exam esoph 3.47 3.47 0.00 0% NA NA 0.00 0% 1.85 1.82 43238 Egd us fine needle bx/aspir 4.16 4.16 0.00 0% NA NA 0.00 0% 2.15 2.12 43239 Egd biopsy single/multiple 2.39 2.39 0.00 0% 7.08 7.48 0.40 6% 1.36 1.34 43240 Egd w/transmural drain cyst 7.15 7.15 0.00 0% NA NA 0.00 0% 3.47 3.43 43241 Egd tube/cath insertion 2.49 2.49 0.00 0% NA NA 0.00 0% 1.35 1.33 43242 Egd us fine needle bx/aspir 4.73 4.73 0.00 0% NA NA 0.00 0% 2.41 2.37 43243 Egd injection varices 4.27 4.27 0.00 0% NA NA 0.00 0% 2.14 2.11 43244 Egd varices ligation 4.40 4.40 0.00 0% NA NA 0.00 0% 2.26 2.22 43245 Egd dilate stricture 3.08 3.08 0.00 0% 12.23 12.69 0.46 4% 1.62 1.60 43246 Egd place gastrostomy tube 3.56 3.56 0.00 0% NA NA 0.00 0% 1.77 1.75 43247 Egd remove foreign body 3.11 3.11 0.00 0% 6.43 6.70 0.27 4% 1.67 1.64 Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 8 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs 43248 Egd guide wire insertion 2.91 2.91 0.00 0% 6.70 7.23 0.53 8% 1.60 1.57 43249 Esoph egd dilation <30 mm 2.67 2.67 0.00 0% 26.01 26.96 0.95 4% 1.48 1.46 43250 Egd cautery tumor polyp 2.97 2.97 0.00 0% 7.91 8.36 0.45 6% 1.57 1.54 43251 Egd remove lesion snare 3.47 3.47 0.00 0% 8.64 9.11 0.47 5% 1.84 1.81 43252 Egd optical endomicroscopy 2.96 2.96 0.00 0% 5.28 5.58 0.30 6% 1.58 1.57 43253 Egd us transmural injxn/mark 4.73 4.73 0.00 0% NA NA 0.00 0% 2.41 2.37 43254 Egd endo mucosal resection 4.87 4.87 0.00 0% NA NA 0.00 0% 2.46 2.42 43255 Egd control bleeding any 3.56 3.56 0.00 0% 14.96 14.75 ‐0.21 ‐1% 1.89 1.86 43257 Egd w/thrml txmnt gerd 4.15 4.15 0.00 0% NA NA 0.00 0% 2.10 2.07 43259 Egd us exam duodenum/jejunum 4.04 4.04 0.00 0% NA NA 0.00 0% 2.11 2.08 43266 Egd endoscopic stent place 3.92 3.92 0.00 0% NA NA 0.00 0% 1.94 1.91 43270 Egd lesion ablation 4.01 4.01 0.00 0% 14.52 15.13 0.61 4% 2.08 2.05 43260 Ercp w/specimen collection 5.85 5.85 0.00 0% NA NA 0.00 0% 2.90 2.86 43261 Endo cholangiopancreatograph 6.15 6.15 0.00 0% NA NA 0.00 0% 3.04 2.99 43262 Endo cholangiopancreatograph 6.50 6.50 0.00 0% NA NA 0.00 0% 3.19 3.15 43263 Ercp sphincter pressure meas 6.50 6.50 0.00 0% NA NA 0.00 0% 3.18 3.14 43264 Ercp remove duct calculi 6.63 6.63 0.00 0% NA NA 0.00 0% 3.25 3.20 43265 Ercp lithotripsy calculi 7.93 7.93 0.00 0% NA NA 0.00 0% 3.81 3.76 43273 Endoscopic pancreatoscopy 2.24 2.24 0.00 0% NA NA 0.00 0% 0.98 0.97 43274 Ercp duct stent placement 8.48 8.48 0.00 0% NA NA 0.00 0% 4.06 4.00 43275 Ercp remove forgn body duct 6.86 6.86 0.00 0% NA NA 0.00 0% 3.35 3.30 43276 Ercp stent exchange w/dilate 8.84 8.84 0.00 0% NA NA 0.00 0% 4.22 4.16 43277 Ercp ea duct/ampulla dilate 6.90 6.90 0.00 0% NA NA 0.00 0% 3.37 3.32 43278 Ercp lesion ablate w/dilate 7.92 7.92 0.00 0% NA NA 0.00 0% 3.81 3.75 44360 Small bowel endoscopy 2.49 2.49 0.00 0% NA NA 0.00 0% 1.42 1.39 44361 Small bowel endoscopy/biopsy 2.77 2.77 0.00 0% NA NA 0.00 0% 1.54 1.52 44363 S bowel endoscope/foreign body 3.39 3.39 0.00 0% NA NA 0.00 0% 1.80 1.77 44364 Small bowel endoscopy/snare 3.63 3.63 0.00 0% NA NA 0.00 0% 1.92 1.90 44365 S bowel endoscope/hot biopsy 3.21 3.21 0.00 0% NA NA 0.00 0% 1.74 1.71 44366 S bowel endoscope/ctrl bleeding 4.30 4.30 0.00 0% NA NA 0.00 0% 2.22 2.18 44369 Small bowel endoscopy/ablate 4.41 4.41 0.00 0% NA NA 0.00 0% 2.26 2.23 44370 Small bowel endoscopy/stent 4.69 4.69 0.00 0% NA NA 0.00 0% 2.48 2.46 44372 S bowel endoscope/place J‐tube 4.30 4.30 0.00 0% NA NA 0.00 0% 2.15 2.12 44373 S bowel endoscope/convert J‐tube 3.39 3.39 0.00 0% NA NA 0.00 0% 1.77 1.75 44376 S bowel endoscopy, enteroscopy 5.15 5.15 0.00 0% NA NA 0.00 0% 2.53 2.50 44377 S bowel endoscopy, enteroscopy/bx 5.42 5.42 0.00 0% NA NA 0.00 0% 2.68 2.64 Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 9 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs 44378 S bowel endoscope/ctrl bleeding 7.02 7.02 0.00 0% NA NA 0.00 0% 3.42 3.37 44379 S bowel endoscope, enteroscopy/stent 7.36 7.36 0.00 0% NA NA 0.00 0% 3.73 3.68 44380 Ileoscopy thru stoma 0.87 0.87 0.00 0% 3.82 3.99 0.17 4% 0.68 0.66 44381 Small bowel endoscopy br/wa 1.38 1.38 0.00 0% 24.76 25.51 0.75 3% 0.90 0.87 44382 Ileoscopy thru stoma/biopsy 1.17 1.17 0.00 0% 6.21 6.47 0.26 4% 0.82 0.81 44384 Small bowel endoscopy 2.85 2.85 0.00 0% NA NA 0.00 0% 1.31 1.29 44385 Endoscopy of bowel pouch 1.20 1.20 0.00 0% 4.11 4.23 0.12 3% 0.74 0.72 44386 Endoscopy bowel pouch/biop 1.50 1.50 0.00 0% 6.45 6.65 0.20 3% 0.90 0.89 44388 C‐stoma 2.72 2.72 0.00 0% 5.09 5.27 0.18 4% 1.44 1.41 44388 53 C‐stoma 1.36 1.36 0.00 0% 2.55 4.73 2.18 85% 0.71 0.86 44389 C‐stoma with biopsy 3.02 3.02 0.00 0% 7.37 7.63 0.26 4% 1.60 1.57 44390 C‐stoma for foreign body 3.74 3.74 0.00 0% 6.52 6.74 0.22 3% 1.98 1.95 44391 C‐stoma for bleeding 4.12 4.12 0.00 0% 15.15 14.67 ‐0.48 ‐3% 2.11 2.07 44392 C‐stoma & polypectomy 3.53 3.53 0.00 0% 5.97 6.16 0.19 3% 1.76 1.73 44394 C‐stoma w/snare 4.03 4.03 0.00 0% 6.93 7.18 0.25 4% 2.03 1.99 44401 C‐stoma with ablation 4.34 4.34 0.00 0% 86.08 81.25 ‐4.83 ‐6% 2.16 2.12 44402 C‐stoma w/stent plcmt 4.70 4.70 0.00 0% NA NA 0.00 0% 2.40 2.36 44403 C‐stoma w/resection 5.50 5.50 0.00 0% NA NA 0.00 0% 2.73 2.68 44404 C‐stoma w/injection 3.02 3.02 0.00 0% 6.90 7.36 0.46 7% 1.61 1.59 44405 C‐stoma w/dilation 3.23 3.23 0.00 0% 11.68 11.92 0.24 2% 1.75 1.72 44406 C‐stoma w/ultrasound 4.10 4.10 0.00 0% NA NA 0.00 0% 2.13 2.10 44407 C‐stoma w/ndl aspir/bx 4.96 4.96 0.00 0% NA NA 0.00 0% 2.51 2.48 44408 C‐stoma w/decompression 4.14 4.14 0.00 0% NA NA 0.00 0% 2.15 2.11 45330 Diagnostic sigmoidoscopy 0.84 0.84 0.00 0% 3.85 3.92 0.07 2% 0.68 0.67 45331 Sigmoidoscopy and biopsy 1.14 1.14 0.00 0% 6.07 6.31 0.24 4% 0.81 0.79 45332 Sigmoidoscopy w/fb removal 1.76 1.76 0.00 0% 5.17 5.34 0.17 3% 1.06 1.04 45333 Sigmoidoscopy & polypectomy 1.55 1.55 0.00 0% 6.61 6.88 0.27 4% 0.96 0.94 45334 Sigmoidoscopy for bleeding 2.00 2.00 0.00 0% 13.48 13.10 ‐0.38 ‐3% 1.19 1.17 45335 Sigmoidoscopy w/submuc inj 1.04 1.04 0.00 0% 5.50 5.96 0.46 8% 0.75 0.74 45337 Sigmoidoscopy & decompress 2.10 2.10 0.00 0% NA NA 0.00 0% 0.98 0.96 45338 Sigmoidoscopy w/tumr remove 2.05 2.05 0.00 0% 5.34 5.55 0.21 4% 1.20 1.17 45340 Sig w/balloon dilation 1.25 1.25 0.00 0% 10.90 11.19 0.29 3% 0.84 0.83 45341 Sigmoidoscopy w/ultrasound 2.12 2.12 0.00 0% NA NA 0.00 0% 1.24 1.22 45342 Sigmoidoscopy w/us guide bx 2.98 2.98 0.00 0% NA NA 0.00 0% 1.64 1.61 45346 Sigmoidoscopy w/ablation 2.81 2.81 0.00 0% 84.28 79.17 ‐5.11 ‐6% 1.53 1.51 45347 Sigmoidoscopy w/plcmt stent 2.72 2.72 0.00 0% NA NA 0.00 0% 1.45 1.44 Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 10 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs 45349 Sigmoidoscopy w/resection 3.52 3.52 0.00 0% NA NA 0.00 0% 1.86 1.83 45350 Sgmdsc w/band ligation 1.68 1.68 0.00 0% 13.14 14.47 1.33 10% 1.04 1.02 45378 Diagnostic colonoscopy 3.26 3.26 0.00 0% 5.29 5.46 0.17 3% 1.71 1.69 45378 53 Diagnostic colonoscopy 1.63 1.63 0.00 0% 2.65 4.78 2.13 80% 0.85 1.00 45379 Colonoscopy w/fb removal 4.28 4.28 0.00 0% 6.77 6.99 0.22 3% 2.16 2.13 45380 Colonoscopy and biopsy 3.56 3.56 0.00 0% 7.51 7.76 0.25 3% 1.87 1.84 45381 Colonoscopy submucous inj 3.56 3.56 0.00 0% 7.01 7.49 0.48 7% 1.87 1.84 45382 Colonoscopy/control bleeding 4.66 4.66 0.00 0% 15.31 14.96 ‐0.35 ‐2% 2.36 2.32 45384 Lesion remove colonoscopy 4.07 4.07 0.00 0% 8.14 8.44 0.30 4% 2.02 1.99 45385 Lesion removal colonoscopy 4.57 4.57 0.00 0% 6.95 7.20 0.25 4% 2.30 2.27 45386 Colonoscopy dilate stricture 3.77 3.77 0.00 0% 12.40 12.72 0.32 3% 1.94 1.92 45388 Colonoscopy w/ablation 4.88 4.88 0.00 0% 86.19 81.30 ‐4.89 ‐6% 2.39 2.36 45389 Colonoscopy w/stent plcmt 5.24 5.24 0.00 0% NA NA 0.00 0% 2.58 2.54 45390 Colonoscopy w/resection 6.04 6.04 0.00 0% NA NA 0.00 0% 2.98 2.93 45391 Colonoscopy w/endoscope us 4.64 4.64 0.00 0% NA NA 0.00 0% 2.35 2.32 45392 Colonoscopy w/endoscopic fnb 5.50 5.50 0.00 0% NA NA 0.00 0% 2.73 2.71 45393 Colonoscopy w/decompression 4.68 4.68 0.00 0% NA NA 0.00 0% 2.09 2.06 45398 Colonoscopy w/band ligation 4.20 4.20 0.00 0% 14.63 16.00 1.37 9% 2.03 2.01 74261 Ct colonography dx 2.40 2.40 0.00 0% 11.20 11.02 ‐0.18 ‐2% NA NA 74261 TC Ct colonography dx 0.00 0.00 0.00 0% 10.32 10.14 ‐0.18 ‐2% NA NA 74261 26 Ct colonography dx 2.40 2.40 0.00 0% 0.88 0.88 0.00 0% 0.88 0.88 74262 Ct colonography dx w/dye 2.50 2.50 0.00 0% 12.75 12.59 ‐0.16 ‐1% NA NA 74262 TC Ct colonography dx w/dye 0.00 0.00 0.00 0% 11.83 11.67 ‐0.16 ‐1% NA NA 74262 26 Ct colonography dx w/dye 2.50 2.50 0.00 0% 0.92 0.92 0.00 0% 0.92 0.92 74263 Ct colonography screening 2.28 2.28 0.00 0% 19.20 18.93 ‐0.27 ‐1% NA NA 74263 TC Ct colonography screening 0.00 0.00 0.00 0% 18.32 18.06 ‐0.26 ‐1% NA NA 74263 26 Ct colonography screening 2.28 2.28 0.00 0% 0.88 0.87 ‐0.01 ‐1% 0.88 0.87 88304 Tissue exam by pathologist 0.22 0.22 0.00 0% 0.92 0.90 ‐0.02 ‐2% NA NA 88304 TC Tissue exam by pathologist 0.00 0.00 0.00 0% 0.81 0.80 ‐0.01 ‐1% NA NA 88304 26 Tissue exam by pathologist 0.22 0.22 0.00 0% 0.11 0.10 ‐0.01 ‐9% 0.11 0.10 88305 Tissue exam by pathologist 0.75 0.75 0.00 0% 1.17 1.17 0.00 0% NA NA 88305 TC Tissue exam by pathologist 0.00 0.00 0.00 0% 0.83 0.84 0.01 1% NA NA 88305 26 Tissue exam by pathologist 0.75 0.75 0.00 0% 0.34 0.33 ‐0.01 ‐3% 0.34 0.33 91010 Esophagus motility study 1.28 1.28 0.00 0% 3.66 4.01 0.35 10% NA NA 91010 TC Esophagus motility study 0.00 0.00 0.00 0% 3.11 3.46 0.35 11% NA NA 91010 26 Esophagus motility study 1.28 1.28 0.00 0% 0.55 0.55 0.00 0% 0.55 0.55 Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 11 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs 91013 Esophgl motil w/stim/perfus 0.18 0.18 0.00 0% 0.53 0.54 0.01 2% NA NA 91013 TC Esophgl motil w/stim/perfus 0.00 0.00 0.00 0% 0.45 0.46 0.01 2% NA NA 91013 26 Esophgl motil w/stim/perfus 0.18 0.18 0.00 0% 0.08 0.08 0.00 0% 0.08 0.08 91020 Gastric motility studies 1.44 1.44 0.00 0% 5.18 5.49 0.31 6% NA NA 91020 TC Gastric motility studies 0.00 0.00 0.00 0% 4.54 4.86 0.32 7% NA NA 91020 26 Gastric motility studies 1.44 1.44 0.00 0% 0.64 0.63 ‐0.01 ‐2% 0.64 0.63 91022 Duodenal motility study 1.44 1.44 0.00 0% 3.30 3.27 ‐0.03 ‐1% NA NA 91022 TC Duodenal motility study 0.00 0.00 0.00 0% 2.66 2.64 ‐0.02 ‐1% NA NA 91022 26 Duodenal motility study 1.44 1.44 0.00 0% 0.64 0.63 ‐0.01 ‐2% 0.64 0.63 91030 Acid perfusion of esophagus 0.91 0.91 0.00 0% 2.94 2.95 0.01 0% NA NA 91030 TC Acid perfusion of esophagus 0.00 0.00 0.00 0% 2.53 2.55 0.02 1% NA NA 91030 26 Acid perfusion of esophagus 0.91 0.91 0.00 0% 0.41 0.40 ‐0.01 ‐2% 0.41 0.40 91034 Gastroesophageal reflux test 0.97 0.97 0.00 0% 4.30 4.34 0.04 1% NA NA 91034 TC Gastroesophageal reflux test 0.00 0.00 0.00 0% 3.89 3.93 0.04 1% NA NA 91034 26 Gastroesophageal reflux test 0.97 0.97 0.00 0% 0.41 0.41 0.00 0% 0.41 0.41 91035 G‐esoph reflx tst w/electrod 1.59 1.59 0.00 0% 11.99 11.96 ‐0.03 0% NA NA 91035 TC G‐esoph reflx tst w/electrod 0.00 0.00 0.00 0% 11.31 11.29 ‐0.02 0% NA NA 91035 26 G‐esoph reflx tst w/electrod 1.59 1.59 0.00 0% 0.68 0.67 ‐0.01 ‐1% 0.68 0.67 91037 Esoph imped function test 0.97 0.97 0.00 0% 3.56 3.62 0.06 2% NA NA 91037 TC Esoph imped function test 0.00 0.00 0.00 0% 3.14 3.20 0.06 2% NA NA 91037 26 Esoph imped function test 0.97 0.97 0.00 0% 0.42 0.42 0.00 0% 0.42 0.42 91038 Esoph imped funct test > 1hr 1.10 1.10 0.00 0% 11.59 11.40 ‐0.19 ‐2% NA NA 91038 TC Esoph imped funct test > 1hr 0.00 0.00 0.00 0% 11.11 10.92 ‐0.19 ‐2% NA NA 91038 26 Esoph imped funct test > 1hr 1.10 1.10 0.00 0% 0.48 0.48 0.00 0% 0.48 0.48 91040 Esoph balloon distension tst 0.97 0.97 0.00 0% 11.72 12.48 0.76 6% NA NA 91040 TC Esoph balloon distension tst 0.00 0.00 0.00 0% 11.34 12.09 0.75 7% NA NA 91040 26 Esoph balloon distension tst 0.97 0.97 0.00 0% 0.38 0.39 0.01 3% 0.38 0.39 91065 Breath hydrogen/methane test 0.20 0.20 0.00 0% 1.83 1.91 0.08 4% NA NA 91065 TC Breath hydrogen/methane test 0.00 0.00 0.00 0% 1.75 1.83 0.08 5% NA NA 91065 26 Breath hydrogen/methane test 0.20 0.20 0.00 0% 0.08 0.08 0.00 0% 0.08 0.08 91110 Gi tract capsule endoscopy 2.49 2.49 0.00 0% 23.12 22.37 ‐0.75 ‐3% NA NA 91110 TC Gi tract capsule endoscopy 0.00 0.00 0.00 0% 22.03 21.29 ‐0.74 ‐3% NA NA 91110 26 Gi tract capsule endoscopy 2.49 2.49 0.00 0% 1.09 1.08 ‐0.01 ‐1% 1.09 1.08 91111 Esophageal capsule endoscopy 1.00 1.00 0.00 0% 20.14 21.82 1.68 8% NA NA 91111 TC Esophageal capsule endoscopy 0.00 0.00 0.00 0% 19.70 21.38 1.68 9% NA NA 91111 26 Esophageal capsule endoscopy 1.00 1.00 0.00 0% 0.44 0.44 0.00 0% 0.44 0.44 Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 12 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs 91112 Gi wireless capsule measure 2.10 2.10 0.00 0% 28.32 33.61 5.29 19% NA NA 91112 TC Gi wireless capsule measure 0.00 0.00 0.00 0% 27.40 32.70 5.30 19% NA NA 91112 26 Gi wireless capsule measure 2.10 2.10 0.00 0% 0.92 0.91 ‐0.01 ‐1% 0.92 0.91 91117 Colon motility 6 hr study 2.45 2.45 0.00 0% NA NA 0.00 0% 1.36 1.34 91120 Rectal sensation test 0.97 0.97 0.00 0% 11.06 11.89 0.83 8% NA NA 91120 TC Rectal sensation test 0.00 0.00 0.00 0% 10.67 11.50 0.83 8% NA NA 91120 26 Rectal sensation test 0.97 0.97 0.00 0% 0.39 0.39 0.00 0% 0.39 0.39 91122 Anal pressure record 1.77 1.77 0.00 0% 4.64 4.94 0.30 6% NA NA 91122 TC Anal pressure record 0.00 0.00 0.00 0% 3.95 4.25 0.30 8% NA NA 91122 26 Anal pressure record 1.77 1.77 0.00 0% 0.69 0.69 0.00 0% 0.69 0.69 91132 Electrogastrography 0.52 0.52 0.00 0% 3.73 6.25 2.52 68% NA NA 91132 TC Electrogastrography 0.00 0.00 0.00 0% 3.50 6.02 2.52 72% NA NA 91132 26 Electrogastrography 0.52 0.52 0.00 0% 0.23 0.23 0.00 0% 0.23 0.23 91133 Electrogastrography w/test 0.66 0.66 0.00 0% 4.22 6.73 2.51 59% NA NA 91133 TC Electrogastrography w/test 0.00 0.00 0.00 0% 3.93 6.44 2.51 64% NA NA 91133 26 Electrogastrography w/test 0.66 0.66 0.00 0% 0.29 0.29 0.00 0% 0.29 0.29 91200 Liver elastography 0.27 0.27 0.00 0% 0.85 0.81 ‐0.04 ‐5% NA NA 91200 TC Liver elastography 0.00 0.00 0.00 0% 0.73 0.69 ‐0.04 ‐5% NA NA 91200 26 Liver elastography 0.27 0.27 0.00 0% 0.12 0.12 0.00 0% 0.12 0.12 96360 Hydration iv infusion init 0.17 0.17 0.00 0% 1.13 0.88 ‐0.25 ‐22% NA NA 96361 Hydrate iv infusion add‐on 0.09 0.09 0.00 0% 0.29 0.28 ‐0.01 ‐3% NA NA 96365 Ther/proph/diag iv inf init 0.21 0.21 0.00 0% 1.81 1.77 ‐0.04 ‐2% NA NA 96366 Ther/proph/diag iv inf addon 0.18 0.18 0.00 0% 0.43 0.42 ‐0.01 ‐2% NA NA 96367 Tx/proph/dg addl seq iv inf 0.19 0.19 0.00 0% 0.68 0.67 ‐0.01 ‐1% NA NA 96368 Ther/diag concurrent inf 0.17 0.17 0.00 0% 0.41 0.41 0.00 0% NA NA 96369 Sc ther infusion up to 1 hr 0.21 0.21 0.00 0% 4.67 4.46 ‐0.21 ‐4% NA NA 96370 Sc ther infusion addl hr 0.18 0.18 0.00 0% 0.25 0.25 0.00 0% NA NA 96371 Sc ther infusion reset pump 0.00 0.00 0.00 0% 1.80 1.84 0.04 2% NA NA 96372 Ther/proph/diag inj sc/im 0.17 0.17 0.00 0% 0.40 0.29 ‐0.11 ‐28% NA NA 96413 Chemo iv infusion 1 hr 0.28 0.28 0.00 0% 3.66 3.61 ‐0.05 ‐1% NA NA 96415 Chemo iv infusion addl hr 0.19 0.19 0.00 0% 0.67 0.65 ‐0.02 ‐3% NA NA 96570 Photodynmc tx 30 min add‐on 1.10 1.10 0.00 0% 0.30 0.30 0.00 0% 0.30 0.30 96571 Photodynamic tx addl 15 min 0.55 0.55 0.00 0% 0.25 0.24 ‐0.01 ‐4% 0.25 0.24 G0104 Ca screen;flexi sigmoidscope 0.84 0.84 0.00 0% 3.85 3.92 0.07 2% 0.68 0.67 G0105 Colorectal scrn; hi risk ind 3.26 3.26 0.00 0% 5.29 5.46 0.17 3% 1.71 1.69 G0105 53 Colorectal scrn; hi risk ind 1.63 1.63 0.00 0% 2.64 4.78 2.14 81% 0.86 1.00 Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 13 of 21 2019 PFS Final Rule ‐ Payment Analysis

2018 2019 Work 2018 Non‐ 2019 Non‐ Non‐Facility Non‐Facility 2018 2019 Work Work Work RVU RVU % Facility PE Facility PE PE RVU PE RVU % Facility PE Facility PE CPT Mod Short Descriptor RVU RVU Difference Change RVU RVU Difference Change RVUs RVUs G0121 Colon ca scrn not hi rsk ind 3.26 3.26 0.00 0% 5.29 5.46 0.17 3% 1.71 1.69 G0121 53 Colon ca scrn not hi rsk ind 1.63 1.63 0.00 0% 2.65 8.73 6.08 229% 0.86 0.70

Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 14 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change 43197 Esophagoscopy flex dx brush 0.00 0% 0.24 0.25 0.01 4% 43198 Esophagosc flex trnsn biopy 0.02 3% 0.27 0.27 0.00 0% 43200 Esophagoscopy flexible brush ‐0.01 ‐1% 0.22 0.22 0.00 0% 43201 Esoph scope w/submucous inj ‐0.01 ‐1% 0.26 0.25 ‐0.01 ‐4% 43202 Esophagoscopy flex biopsy ‐0.01 ‐1% 0.26 0.25 ‐0.01 ‐4% 43204 Esoph scope w/sclerosis inj ‐0.02 ‐1% 0.29 0.30 0.01 3% 43205 Esophagus endoscopy/ligation ‐0.03 ‐2% 0.31 0.32 0.01 3% 43206 Esoph optical endomicroscopy ‐0.02 ‐2% 0.29 0.30 0.01 3% 43210 Egd esophagogastrc fndoplsty 0.08 2% 1.85 1.29 ‐0.56 ‐30% 43211 Esophagoscop mucosal resect ‐0.03 ‐1% 0.59 0.59 0.00 0% 43212 Esophagoscop stent placement ‐0.02 ‐1% 0.60 0.60 0.00 0% 43213 Esophagoscopy retro balloon 0.00 0% 0.68 0.67 ‐0.01 ‐1% 43214 Esophagosc dilate balloon 30 0.00 0% 0.50 0.47 ‐0.03 ‐6% 43215 Esophagoscopy flex remove fb ‐0.01 ‐1% 0.39 0.40 0.01 3% 43216 Esophagoscopy lesion removal ‐0.03 ‐2% 0.29 0.27 ‐0.02 ‐7% 43217 Esophagoscopy snare les remv ‐0.01 ‐1% 0.43 0.41 ‐0.02 ‐5% 43220 Esophagoscopy balloon <30mm ‐0.01 ‐1% 0.29 0.28 ‐0.01 ‐3% 43226 Esoph endoscopy dilation ‐0.02 ‐2% 0.34 0.36 0.02 6% 43227 Esophagoscopy control bleed ‐0.02 ‐1% 0.38 0.39 0.01 3% 43229 Esophagoscopy lesion ablate ‐0.02 ‐1% 0.48 0.47 ‐0.01 ‐2% 43231 Esophagoscop ultrasound exam ‐0.03 ‐2% 0.33 0.33 0.00 0% 43232 Esophagoscopy w/us needle bx ‐0.02 ‐1% 0.41 0.42 0.01 2% 43235 Egd diagnostic brush wash ‐0.02 ‐2% 0.29 0.28 ‐0.01 ‐3% 43233 Egd balloon dil esoph30 mm/> ‐0.05 ‐2% 0.59 0.61 0.02 3% 43236 Uppr gi scope w/submuc inj ‐0.03 ‐2% 0.31 0.32 0.01 3% 43237 Endoscopic us exam esoph ‐0.03 ‐2% 0.45 0.44 ‐0.01 ‐2% 43238 Egd us fine needle bx/aspir ‐0.03 ‐1% 0.53 0.53 0.00 0% 43239 Egd biopsy single/multiple ‐0.02 ‐1% 0.31 0.32 0.01 3% 43240 Egd w/transmural drain cyst ‐0.04 ‐1% 0.91 0.92 0.01 1% 43241 Egd tube/cath insertion ‐0.02 ‐1% 0.34 0.35 0.01 3% 43242 Egd us fine needle bx/aspir ‐0.04 ‐2% 0.59 0.59 0.00 0% 43243 Egd injection varices ‐0.03 ‐1% 0.56 0.56 0.00 0% 43244 Egd varices ligation ‐0.04 ‐2% 0.55 0.55 0.00 0% 43245 Egd dilate stricture ‐0.02 ‐1% 0.47 0.45 ‐0.02 ‐4% 43246 Egd place gastrostomy tube ‐0.02 ‐1% 0.55 0.55 0.00 0% 43247 Egd remove foreign body ‐0.03 ‐2% 0.44 0.43 ‐0.01 ‐2% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 15 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change 43248 Egd guide wire insertion ‐0.03 ‐2% 0.37 0.38 0.01 3% 43249 Esoph egd dilation <30 mm ‐0.02 ‐1% 0.35 0.36 0.01 3% 43250 Egd cautery tumor polyp ‐0.03 ‐2% 0.47 0.46 ‐0.01 ‐2% 43251 Egd remove lesion snare ‐0.03 ‐2% 0.47 0.46 ‐0.01 ‐2% 43252 Egd optical endomicroscopy ‐0.01 ‐1% 0.41 0.42 0.01 2% 43253 Egd us transmural injxn/mark ‐0.04 ‐2% 0.59 0.60 0.01 2% 43254 Egd endo mucosal resection ‐0.04 ‐2% 0.62 0.62 0.00 0% 43255 Egd control bleeding any ‐0.03 ‐2% 0.46 0.45 ‐0.01 ‐2% 43257 Egd w/thrml txmnt gerd ‐0.03 ‐1% 0.58 0.58 0.00 0% 43259 Egd us exam duodenum/jejunum ‐0.03 ‐1% 0.50 0.50 0.00 0% 43266 Egd endoscopic stent place ‐0.03 ‐2% 0.55 0.56 0.01 2% 43270 Egd lesion ablation ‐0.03 ‐1% 0.51 0.51 0.00 0% 43260 Ercp w/specimen collection ‐0.04 ‐1% 0.74 0.74 0.00 0% 43261 Endo cholangiopancreatograph ‐0.05 ‐2% 0.78 0.78 0.00 0% 43262 Endo cholangiopancreatograph ‐0.04 ‐1% 0.81 0.81 0.00 0% 43263 Ercp sphincter pressure meas ‐0.04 ‐1% 0.83 0.83 0.00 0% 43264 Ercp remove duct calculi ‐0.05 ‐2% 0.83 0.83 0.00 0% 43265 Ercp lithotripsy calculi ‐0.05 ‐1% 0.99 1.00 0.01 1% 43273 Endoscopic pancreatoscopy ‐0.01 ‐1% 0.29 0.28 ‐0.01 ‐3% 43274 Ercp duct stent placement ‐0.06 ‐1% 1.07 1.08 0.01 1% 43275 Ercp remove forgn body duct ‐0.05 ‐1% 0.87 0.88 0.01 1% 43276 Ercp stent exchange w/dilate ‐0.06 ‐1% 1.11 1.12 0.01 1% 43277 Ercp ea duct/ampulla dilate ‐0.05 ‐1% 0.87 0.87 0.00 0% 43278 Ercp lesion ablate w/dilate ‐0.06 ‐2% 1.01 1.00 ‐0.01 ‐1% 44360 Small bowel endoscopy ‐0.03 ‐2% 0.31 0.32 0.01 3% 44361 Small bowel endoscopy/biopsy ‐0.02 ‐1% 0.35 0.36 0.01 3% 44363 S bowel endoscope/foreign body ‐0.03 ‐2% 0.46 0.46 0.00 0% 44364 Small bowel endoscopy/snare ‐0.02 ‐1% 0.47 0.46 ‐0.01 ‐2% 44365 S bowel endoscope/hot biopsy ‐0.03 ‐2% 0.38 0.40 0.02 5% 44366 S bowel endoscope/ctrl bleeding ‐0.04 ‐2% 0.54 0.54 0.00 0% 44369 Small bowel endoscopy/ablate ‐0.03 ‐1% 0.55 0.55 0.00 0% 44370 Small bowel endoscopy/stent ‐0.02 ‐1% 0.66 0.65 ‐0.01 ‐2% 44372 S bowel endoscope/place J‐tube ‐0.03 ‐1% 0.60 0.60 0.00 0% 44373 S bowel endoscope/convert J‐tube ‐0.02 ‐1% 0.49 0.48 ‐0.01 ‐2% 44376 S bowel endoscopy, enteroscopy ‐0.03 ‐1% 0.68 0.67 ‐0.01 ‐1% 44377 S bowel endoscopy, enteroscopy/bx ‐0.04 ‐1% 0.71 0.71 0.00 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 16 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change 44378 S bowel endoscope/ctrl bleeding ‐0.05 ‐1% 0.87 0.88 0.01 1% 44379 S bowel endoscope, enteroscopy/stent ‐0.05 ‐1% 0.94 0.95 0.01 1% 44380 Ileoscopy thru stoma ‐0.02 ‐3% 0.11 0.11 0.00 0% 44381 Small bowel endoscopy br/wa ‐0.03 ‐3% 0.18 0.19 0.01 6% 44382 Ileoscopy thru stoma/biopsy ‐0.01 ‐1% 0.16 0.16 0.00 0% 44384 Small bowel endoscopy ‐0.02 ‐2% 0.33 0.33 0.00 0% 44385 Endoscopy of bowel pouch ‐0.02 ‐3% 0.17 0.17 0.00 0% 44386 Endoscopy bowel pouch/biop ‐0.01 ‐1% 0.21 0.21 0.00 0% 44388 C‐stoma ‐0.03 ‐2% 0.44 0.43 ‐0.01 ‐2% 44388 53 C‐stoma 0.15 21% 0.19 0.19 0.00 0% 44389 C‐stoma with biopsy ‐0.03 ‐2% 0.44 0.43 ‐0.01 ‐2% 44390 C‐stoma for foreign body ‐0.03 ‐2% 0.49 0.48 ‐0.01 ‐2% 44391 C‐stoma for bleeding ‐0.04 ‐2% 0.52 0.52 0.00 0% 44392 C‐stoma & polypectomy ‐0.03 ‐2% 0.55 0.56 0.01 2% 44394 C‐stoma w/snare ‐0.04 ‐2% 0.58 0.58 0.00 0% 44401 C‐stoma with ablation ‐0.04 ‐2% 0.60 0.63 0.03 5% 44402 C‐stoma w/stent plcmt ‐0.04 ‐2% 0.60 0.60 0.00 0% 44403 C‐stoma w/resection ‐0.05 ‐2% 0.71 0.71 0.00 0% 44404 C‐stoma w/injection ‐0.02 ‐1% 0.45 0.42 ‐0.03 ‐7% 44405 C‐stoma w/dilation ‐0.03 ‐2% 0.41 0.42 0.01 2% 44406 C‐stoma w/ultrasound ‐0.03 ‐1% 0.53 0.53 0.00 0% 44407 C‐stoma w/ndl aspir/bx ‐0.03 ‐1% 0.64 0.64 0.00 0% 44408 C‐stoma w/decompression ‐0.04 ‐2% 0.53 0.53 0.00 0% 45330 Diagnostic sigmoidoscopy ‐0.01 ‐1% 0.12 0.12 0.00 0% 45331 Sigmoidoscopy and biopsy ‐0.02 ‐2% 0.15 0.15 0.00 0% 45332 Sigmoidoscopy w/fb removal ‐0.02 ‐2% 0.26 0.26 0.00 0% 45333 Sigmoidoscopy & polypectomy ‐0.02 ‐2% 0.24 0.24 0.00 0% 45334 Sigmoidoscopy for bleeding ‐0.02 ‐2% 0.26 0.27 0.01 4% 45335 Sigmoidoscopy w/submuc inj ‐0.01 ‐1% 0.15 0.15 0.00 0% 45337 Sigmoidoscopy & decompress ‐0.02 ‐2% 0.30 0.31 0.01 3% 45338 Sigmoidoscopy w/tumr remove ‐0.03 ‐3% 0.29 0.28 ‐0.01 ‐3% 45340 Sig w/balloon dilation ‐0.01 ‐1% 0.19 0.18 ‐0.01 ‐5% 45341 Sigmoidoscopy w/ultrasound ‐0.02 ‐2% 0.26 0.27 0.01 4% 45342 Sigmoidoscopy w/us guide bx ‐0.03 ‐2% 0.37 0.37 0.00 0% 45346 Sigmoidoscopy w/ablation ‐0.02 ‐1% 0.38 0.38 0.00 0% 45347 Sigmoidoscopy w/plcmt stent ‐0.01 ‐1% 0.36 0.36 0.00 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 17 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change 45349 Sigmoidoscopy w/resection ‐0.03 ‐2% 0.47 0.45 ‐0.02 ‐4% 45350 Sgmdsc w/band ligation ‐0.02 ‐2% 0.24 0.24 0.00 0% 45378 Diagnostic colonoscopy ‐0.02 ‐1% 0.47 0.46 ‐0.01 ‐2% 45378 53 Diagnostic colonoscopy 0.15 18% 0.24 0.23 ‐0.01 ‐4% 45379 Colonoscopy w/fb removal ‐0.03 ‐1% 0.58 0.59 0.01 2% 45380 Colonoscopy and biopsy ‐0.03 ‐2% 0.48 0.47 ‐0.01 ‐2% 45381 Colonoscopy submucous inj ‐0.03 ‐2% 0.48 0.47 ‐0.01 ‐2% 45382 Colonoscopy/control bleeding ‐0.04 ‐2% 0.60 0.60 0.00 0% 45384 Lesion remove colonoscopy ‐0.03 ‐1% 0.62 0.62 0.00 0% 45385 Lesion removal colonoscopy ‐0.03 ‐1% 0.61 0.61 0.00 0% 45386 Colonoscopy dilate stricture ‐0.02 ‐1% 0.52 0.51 ‐0.01 ‐2% 45388 Colonoscopy w/ablation ‐0.03 ‐1% 0.69 0.68 ‐0.01 ‐1% 45389 Colonoscopy w/stent plcmt ‐0.04 ‐2% 0.71 0.71 0.00 0% 45390 Colonoscopy w/resection ‐0.05 ‐2% 0.77 0.77 0.00 0% 45391 Colonoscopy w/endoscope us ‐0.03 ‐1% 0.59 0.59 0.00 0% 45392 Colonoscopy w/endoscopic fnb ‐0.02 ‐1% 0.72 0.70 ‐0.02 ‐3% 45393 Colonoscopy w/decompression ‐0.03 ‐1% 0.66 0.67 0.01 2% 45398 Colonoscopy w/band ligation ‐0.02 ‐1% 0.67 0.67 0.00 0% 74261 Ct colonography dx 0.00 0% 0.16 0.16 0.00 0% 74261 TC Ct colonography dx 0.00 0% 0.02 0.02 0.00 0% 74261 26 Ct colonography dx 0.00 0% 0.14 0.14 0.00 0% 74262 Ct colonography dx w/dye 0.00 0% 0.16 0.16 0.00 0% 74262 TC Ct colonography dx w/dye 0.00 0% 0.02 0.02 0.00 0% 74262 26 Ct colonography dx w/dye 0.00 0% 0.14 0.14 0.00 0% 74263 Ct colonography screening 0.00 0% 0.09 0.09 0.00 0% 74263 TC Ct colonography screening 0.00 0% 0.02 0.02 0.00 0% 74263 26 Ct colonography screening ‐0.01 ‐1% 0.07 0.07 0.00 0% 88304 Tissue exam by pathologist 0.00 0% 0.02 0.02 0.00 0% 88304 TC Tissue exam by pathologist 0.00 0% 0.01 0.01 0.00 0% 88304 26 Tissue exam by pathologist ‐0.01 ‐9% 0.01 0.01 0.00 0% 88305 Tissue exam by pathologist 0.00 0% 0.03 0.03 0.00 0% 88305 TC Tissue exam by pathologist 0.00 0% 0.01 0.01 0.00 0% 88305 26 Tissue exam by pathologist ‐0.01 ‐3% 0.02 0.02 0.00 0% 91010 Esophagus motility study 0.00 0% 0.09 0.09 0.00 0% 91010 TC Esophagus motility study 0.00 0% 0.01 0.01 0.00 0% 91010 26 Esophagus motility study 0.00 0% 0.08 0.08 0.00 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 18 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change 91013 Esophgl motil w/stim/perfus 0.00 0% 0.01 0.01 0.00 0% 91013 TC Esophgl motil w/stim/perfus 0.00 0% 0.00 0.00 0.00 0% 91013 26 Esophgl motil w/stim/perfus 0.00 0% 0.01 0.01 0.00 0% 91020 Gastric motility studies 0.00 0% 0.08 0.08 0.00 0% 91020 TC Gastric motility studies 0.00 0% 0.02 0.02 0.00 0% 91020 26 Gastric motility studies ‐0.01 ‐2% 0.06 0.06 0.00 0% 91022 Duodenal motility study 0.00 0% 0.08 0.08 0.00 0% 91022 TC Duodenal motility study 0.00 0% 0.02 0.02 0.00 0% 91022 26 Duodenal motility study ‐0.01 ‐2% 0.06 0.06 0.00 0% 91030 Acid perfusion of esophagus 0.00 0% 0.05 0.05 0.00 0% 91030 TC Acid perfusion of esophagus 0.00 0% 0.01 0.01 0.00 0% 91030 26 Acid perfusion of esophagus ‐0.01 ‐2% 0.04 0.04 0.00 0% 91034 Gastroesophageal reflux test 0.00 0% 0.08 0.08 0.00 0% 91034 TC Gastroesophageal reflux test 0.00 0% 0.01 0.01 0.00 0% 91034 26 Gastroesophageal reflux test 0.00 0% 0.07 0.07 0.00 0% 91035 G‐esoph reflx tst w/electrod 0.00 0% 0.13 0.13 0.00 0% 91035 TC G‐esoph reflx tst w/electrod 0.00 0% 0.01 0.01 0.00 0% 91035 26 G‐esoph reflx tst w/electrod ‐0.01 ‐1% 0.12 0.12 0.00 0% 91037 Esoph imped function test 0.00 0% 0.06 0.07 0.01 17% 91037 TC Esoph imped function test 0.00 0% 0.01 0.01 0.00 0% 91037 26 Esoph imped function test 0.00 0% 0.05 0.06 0.01 20% 91038 Esoph imped funct test > 1hr 0.00 0% 0.07 0.06 ‐0.01 ‐14% 91038 TC Esoph imped funct test > 1hr 0.00 0% 0.01 0.01 0.00 0% 91038 26 Esoph imped funct test > 1hr 0.00 0% 0.06 0.05 ‐0.01 ‐17% 91040 Esoph balloon distension tst 0.00 0% 0.05 0.10 0.05 100% 91040 TC Esoph balloon distension tst 0.00 0% 0.01 0.01 0.00 0% 91040 26 Esoph balloon distension tst 0.01 3% 0.04 0.09 0.05 125% 91065 Breath hydrogen/methane test 0.00 0% 0.02 0.02 0.00 0% 91065 TC Breath hydrogen/methane test 0.00 0% 0.01 0.01 0.00 0% 91065 26 Breath hydrogen/methane test 0.00 0% 0.01 0.01 0.00 0% 91110 Gi tract capsule endoscopy 0.00 0% 0.12 0.12 0.00 0% 91110 TC Gi tract capsule endoscopy 0.00 0% 0.01 0.01 0.00 0% 91110 26 Gi tract capsule endoscopy ‐0.01 ‐1% 0.11 0.11 0.00 0% 91111 Esophageal capsule endoscopy 0.00 0% 0.06 0.06 0.00 0% 91111 TC Esophageal capsule endoscopy 0.00 0% 0.01 0.01 0.00 0% 91111 26 Esophageal capsule endoscopy 0.00 0% 0.05 0.05 0.00 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 19 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change 91112 Gi wireless capsule measure 0.00 0% 0.10 0.10 0.00 0% 91112 TC Gi wireless capsule measure 0.00 0% 0.01 0.01 0.00 0% 91112 26 Gi wireless capsule measure ‐0.01 ‐1% 0.09 0.09 0.00 0% 91117 Colon motility 6 hr study ‐0.02 ‐1% 0.17 0.17 0.00 0% 91120 Rectal sensation test 0.00 0% 0.07 0.07 0.00 0% 91120 TC Rectal sensation test 0.00 0% 0.01 0.01 0.00 0% 91120 26 Rectal sensation test 0.00 0% 0.06 0.06 0.00 0% 91122 Anal pressure record 0.00 0% 0.14 0.14 0.00 0% 91122 TC Anal pressure record 0.00 0% 0.02 0.02 0.00 0% 91122 26 Anal pressure record 0.00 0% 0.12 0.12 0.00 0% 91132 Electrogastrography 0.00 0% 0.03 0.03 0.00 0% 91132 TC Electrogastrography 0.00 0% 0.01 0.01 0.00 0% 91132 26 Electrogastrography 0.00 0% 0.02 0.02 0.00 0% 91133 Electrogastrography w/test 0.00 0% 0.04 0.04 0.00 0% 91133 TC Electrogastrography w/test 0.00 0% 0.01 0.01 0.00 0% 91133 26 Electrogastrography w/test 0.00 0% 0.03 0.03 0.00 0% 91200 Liver elastography 0.00 0% 0.02 0.02 0.00 0% 91200 TC Liver elastography 0.00 0% 0.01 0.01 0.00 0% 91200 26 Liver elastography 0.00 0% 0.01 0.01 0.00 0% 96360 Hydration iv infusion init 0.00 0% 0.02 0.02 0.00 0% 96361 Hydrate iv infusion add‐on 0.00 0% 0.01 0.01 0.00 0% 96365 Ther/proph/diag iv inf init 0.00 0% 0.04 0.04 0.00 0% 96366 Ther/proph/diag iv inf addon 0.00 0% 0.01 0.01 0.00 0% 96367 Tx/proph/dg addl seq iv inf 0.00 0% 0.02 0.02 0.00 0% 96368 Ther/diag concurrent inf 0.00 0% 0.01 0.01 0.00 0% 96369 Sc ther infusion up to 1 hr 0.00 0% 0.03 0.02 ‐0.01 ‐33% 96370 Sc ther infusion addl hr 0.00 0% 0.01 0.01 0.00 0% 96371 Sc ther infusion reset pump 0.00 0% 0.00 0.00 0.00 0% 96372 Ther/proph/diag inj sc/im 0.00 0% 0.01 0.01 0.00 0% 96413 Chemo iv infusion 1 hr 0.00 0% 0.08 0.08 0.00 0% 96415 Chemo iv infusion addl hr 0.00 0% 0.02 0.02 0.00 0% 96570 Photodynmc tx 30 min add‐on 0.00 0% 0.08 0.08 0.00 0% 96571 Photodynamic tx addl 15 min ‐0.01 ‐4% 0.04 0.04 0.00 0% G0104 Ca screen;flexi sigmoidscope ‐0.01 ‐1% 0.12 0.12 0.00 0% G0105 Colorectal scrn; hi risk ind ‐0.02 ‐1% 0.46 0.45 ‐0.01 ‐2% G0105 53 Colorectal scrn; hi risk ind 0.14 16% 0.22 0.22 0.00 0% Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 20 of 21 2019 PFS Final Rule ‐ Payment Analysis

Facility PE Facility PE 2018 2019 Malpractice Malpractice RVU RVU % Malpractice Malpractice RVU RVU % CPT Mod Short Descriptor Difference Change RVU RVU Difference Change G0121 Colon ca scrn not hi rsk ind ‐0.02 ‐1% 0.47 0.46 ‐0.01 ‐2% G0121 53 Colon ca scrn not hi rsk ind ‐0.16 ‐19% 0.23 0.25 0.02 9%

Payment amounts/RVUs based on CMS‐1693‐F Addendum B Payment amounts/RVUs subject to change by CMS 21 of 21