Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

ICD-10 ICD-9 Code Description Crosswalk Description

1 569.3 Hemorrhage of & Anus K62.5 Hemorrhage of Rectum and Anus 2 565.0 K60.0 Acute Anal Fissure K60.1 Chronic Anal Fissure K60.2 Anal Fissure, unspecified Special Screening for Malignant 3 V76.51 Neoplasms, Colon Z12.11 Encounter for Screening for Malignant Neoplasm of Colon Unspecified with 4 455.8 Other Complications K64.0 First Degree Hemorrhoids K64.1 Second Degree Hemorrhoids K64.2 Third Degree Hemorrhoids K64.3 Fourth Degree Hemorrhoids K64.4 Other Hemorrhoids K64.8 5 565.1 Anal K60.3 Acute K60.4 Chronic Anal Fistula K60.5 Anal Fistula, unspecified Personal History of Colonic 6 V12.72 Polyps Z86.010 Personal History of Colonic Polyps Benign Neoplasm of Colon 7 211.3 (Polyps) D12.0 Benign neoplasm of D12.1 Benign neoplasm of D12.2 Benign neoplasm of Ascending Colon D12.3 Benign neoplasm of transverse Colon D12.4 Benign neoplasm of Descending Colon D12.5 Benign neoplasm of D12.6 Benign neoplasm of Colon, Unspecified K63.5 of Colon Internal Hemorrhoids with Other 8 455.2 Complications K64.0 First Degree Hemorrhoids K64.1 Second Degree Hemorrhoids K64.2 Third Degree Hemorrhoids Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

K64.3 Fourth Degree Hemorrhoids K64.8 Other Hemorrhoids 9 569.42 Anal or Rectal K62.89 Other Specified Diseases of Anus and Rectum 10 698.0 L29.0 Pruritus Ani Internal Hemorrhoids w/o Other 11 455.0 Complications K64.0 First Degree Hemorrhoids K64.1 Second Degree Hemorrhoids K64.2 Third Degree Hemorrhoids K64.3 Fourth Degree Hemorrhoids K64.8 Other Hemorrhoids

12 789.00 Abdominal Pain, Unspecified Site R10.0 Acute Abdomen R10.9 Unspecified Abdominal Pain

13 566 of Anal & Rectal Regions K50.014 Crohn's disease of with Abscess K50.114 Crohn's disease of with Abscess K50.814 Crohn's disease of Both Small & Large Intestine w/ Abscess K50.914 Crohn's disease, Unspecified, with Abscess K61.0 Anal Abscess K61.1 Rectal Abscess K61.2 K61.3 Ischiorectal Abscess K61.4 Intrasphincteric Abscess

Diverticulosis of Lg Intestine w/o Perforation or Abscess w/o 14 562.10 of Colon K57.30 Diverticulosis of Both Small & Lg Intestine w/o Perforation or K57.50 Abscess w/o bleeding Diverticulosis of Intestine, part unspecified, w/o Perforation K57.90 or Abscess w/o bleeding 15 564.00 Unspecified K59.00 Constipation, Unspecified

Diverticulitis of Lg Intestine w Perforation & Abscess w/o 16 562.11 of Colon K57.20 bleeding Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

Diverticulitis of Lg Intestine w/o Perforation or Abscess w/o K57.32 bleeding Diverticulitis of Both Small & Lg Intestine w Perforation & K57.40 Abscess w/o bleeding Diverticulitis of Both Small & Lg Intestine w/o Perforation or K57.52 Abscess w/o bleeding Diverticulitis of Intestine, part unspecified, w Perforation & K57.80 Abscess w/o bleeding Diverticulitis of Intestine, part unspecified, w/o Perforation or K57.92 Abscess w/o bleeding 17 787.60 Full Incontinence of Feces R15.9 Full Incontinence of Feces External Thrombosed 18 455.4 Hemorrhoids K64.5 Perianal Venous Thrombosis

19 455.9 Residual Hemorrhoidal Skin Tags K64.4 Residual Hemorrhoidal Skin Tags 20 564.09 Other Constipation K59.09 Other Constipation Personal Hx Malig Neoplasm

Rectum, Rectosigmoid Junction & Personal Hx of Malig Neoplasm of Rectum, Rectosigmoid 21 V10.06 Anus Z85.048 Junction & Anus Family Hx Malig Neoplasm 22 V16.0 Z80.0 Family Hx of Malig Neoplasm of Digestive Organs 23 078.11 Condyloma Acuminatum A63.0 Anogenital (venereal) Warts 24 154.1 Malignant Neoplasm of Rectum C20 Malignant Neoplasm of Rectum Unspecified Hemorrhoids w/o 25 455.6 Complications K64.0 First Degree Hemorrhoids K64.1 Second Degree Hemorrhoids K64.2 Third Degree Hemorrhoids K64.3 Fourth Degree Hemorrhoids K64.9 Unspecified Hemorrhoids 26 787.91 K52.2 Allergic & Dietetic and K52.89 Other specified Noninfective Gastroenteritis and Colitis R19.7 Diarrhea, unspecified Benign Neoplasm of Rectum & 27 211.4 D12.7 Benign Neoplasm of Rectosigmoid Junction Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

D12.8 Benign Neoplasm of Rectum D12.9 Benign Neoplasm of Anus & Anal Canal 28 564.6 Anal Spasm K59.4 Anal Spasm Other Symptoms Involving 29 787.99 Digestive System R19.4 Change in Bowel Habit Other Symptoms & Signs involving the Digestive System and R19.8 Abdomen Pilonidal Cyst w/o mention of 30 685.1 Abscess L05.91 Pilonidal Cyst without Abscess L05.92 Pilonidal Sinus without Abscess Unspecified Hemorrhage of 31 578.9 Gastrointestinal Tract K92.2 Gastrointestinal Hemorrhage, unspecified

Personal History Malig Neoplasm 32 V10.05 of Large Intestine Z85.038 Personal History of Malignant Neoplasm of Large Intestine 33 578.1 K92.1 Other specified Disorder of 34 569.49 Rectum & Anus K62.7 Radiation K62.89 Other Specified Diseases of Anus and Rectum K62.9 Disease of Anus & Rectum, unspecified 35 V55.2 Attention to Z43.2 Encounter for Attention to Ileostomy Nonspecific Abnormal Finding

Radiation & Other Exam Abnormal Findings on Diagnostic Imaging of Abdominal 36 793.6 Abdominal Area R93.5 Regions, including Retroperitoneal 37 556.9 Unspecified K51.90 Ulcerative Colitis, unspecified, without Complications K51.911 Ulcerative Colitis, unspecified with Rectal Bleeding K51.912 Ulcerative Colitis, unspecified with Intestinal Obstruction K51.913 Ulcerative Colitis, unspecified with Fistula K51.914 Ulcerative Colitis, unspecified with Abscess K51.918 Ulcerative Colitis, unspecified with Other Complications

K51.919 Ulcerative Colitis, unspecified with unspecified Complications Rectocele w/o mention of Rectal 38 618.04 Prolapse N81.6 Rectocele 39 V18.51 Family Hx of Colonic Polyps Z83.71 Family Hx of Colonic Polyps Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

Encntr for F/U Exam aftr trtmt for condition other than Malig 40 V67.00 F/U exam following Unspec Sx Z09 Neoplasm Incisional w/o mention 41 553.21 Obstruction/Gangrene K43.2 w/o Obstruction or Gangrene 42 569.1 K62.2 Anal Prolapse K62.3 Rectal Prolapse

43 560.9 Unspec Intestinal Obstruction K50.012 Crohn's Disease of Small Intestine w/Intestinal Obstruction K50.112 Crohn's Disease of Lg Intestine w/Intestinal Obstruction K50.812 Crohn's Disease of both Sm & Lg Intestinal w/Obstruction K50.912 Crohn's Disease, Unspec,w/Unspec Intestinal Obstruction K56.60 Unspecified Intestinal Obstruction Digestive-Genital Tract Fistula, 44 619.1 Female N82.2 Fistula of Vagina to Small Intestine N82.3 Fistula of Vagina to Large Intestine N82.4 Other Female Intestinal-Genital Tract Fistula 45 569.2 Stenosis of Rectum & Anus K62.4 Stenosis of Rectum and Anus 46 v55.3 Attention to Z43.3 Encounter for Attention to Colostomy 47 685.0 Pilonidal Cyst with Abscess L05.01 Pilonidal Cyst with Abscess L05.02 Pilonidal Sinus with Abscess 48 564.1 K58.0 Irritable Bowel Syndrome with Diarrhea K58.9 Irritable Bowel Syndrome without Diarrhea

49 555.1 Regional of Lg Intestine K50.10 Crohn's Disease of Lg Intestine without Complications K50.111 Crohn's Disease of Lg Intestine with Rectal Bleeding K50.112 Crohn's Disease of Lg Intestine w/Intestinal Obstruction K50.113 Crohn's Disease of Lg Intestine with Fistula K50.114 Crohn's Disease of Lg Intestine with Abscess K50.118 Crohn's Disease of Lg Intestine w/ Other Complications K50.119 Crohn's Disease of Lg Intestine w/Unspec Complications

50 990 Effects of Radiation, Unspecified T66.XXXA Radiation Sickness, Unspecified, Initial Encounter Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

Regional Enteritis Small Intestine 51 555.2 w/Lg Intestine K50.80 Crohn's disease of both small and lg int w/o complications K50.811 Crohn's disease of both small and lg int w/rectal bleeding Crohn's disease of both small and lg int w/intestinal K50.812 obstruction K50.813 Crohn's disease of both small and lg int w/fistula K50.814 Crohn's disease of both small and lg int w/abscess Crohn's disease of both small and lg int w/other K50.818 complications Crohn's disease of both small and lg int w/unspecified K50.819 complications Malignant Neoplasms of the 52 153.3 Sigmoid Colon C18.7 Malignant neoplasms of the sigmoid colon Malignant Neoplasms of the 53 153.6 Ascending Sigmoid Colon C18.2 Malignant neoplasms of the ascending colon Regional Enteritis of Small 54 555.0 Intestine K50.00 Crohn's disease of small intestine w/o complications K50.011 Crohn's disease of small intestine w/rectal bleeding K50.012 Crohn's disease of small intestine w/intestinal obstruction K50.013 Crohn's disease of small intestine w/fistula K50.014 Crohn's disease of small intestine w/abscess K50.018 Crohn's disease of small intestine w/other complications Crohn's disease of small intestine w/unspecified K50.019 complications Malignant Neoplasm of Anal 55 154.2 Canal C21.1 Malignant neoplasm of anal canal Malignant Neoplasm of Colon 56 153.9 Unspec Site C18.9 Malignant neoplasm of colon unspecified Fistula of Intestine Excluding 57 569.81 Rectum/Anus K50.013 Crohn's disease of small intestine w/fistula K50.113 Crohn's disease of large intestine w/fistula K50.813 Crohn's disease of both small and lg int w/fistula K50.913 Crohn's disease, unspecified, w/fistula K51.013 Ulcerative (chronic) pancolitis w/fistula Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

K51.213 Ulcerative (chronic) proctlitis w/fistula K51.313 Ulcerative (chronic) rectosigmoiditis w/fistula K51.413 Inflammatory polyps of colon w/fistula K51.513 Left sided colitis w/fistula K51.813 Other ulcerative colitis with fistula K51.913 Ulcerative colitis, unspecified, with fistula K63.2 Fistula of intestine

Abdominal/Pelvic Swelling Intra-abdominal and Pelvic Swelling Mass and Lump, 58 789.30 Mass/Lump, Unspecified Site R19.00 Unspec Site Endometriosis of Pelvic 59 617.3 N80.3 Endometriosis of Pelvic Peritoneum 60 617.5 Endometriosis of Intestine N80.5 Endometriosis of Intestine Mechanical Complication of 61 569.62 Colostomy & Enterostomy K94.03 Colostomy malfunction K94.13 Enterostomy malfunction 62 568.0 Peritoneal Adhesions K66.0 Peritoneal adhesions (postprocedural) (postinfection) N99.4 Postprocedural pelvic peritoneal adhesions 63 153.4 Malignant Neoplasm of Cecum C18.0 Malignant Neoplasm of Cecum 64 596.1 Intestinovesical Fistula N32.1 Vesicointestinal Fistula 65 285.9 Unspecified Anemia D64.9 Anemia, Unspecified 66 682.2 Cellulitis and Abscess of Trunk L02.211 Cutaneous Abscess of Abdominal Wall L02.212 Cutaneous Abscess of Back (any part, except Buttock) L02.213 Cutaneous Abscess of Chest Wall L02.214 Cutaneous Abscess of Groin L02.215 Cutaneous Abscess of Perineum L02.216 Cutaneous Abscess of Umbilicus L02.219 Cutaneous Abscess of Trunk, Unspecified L03.311 Cellulitis of Abdominal Wall L03.312 Cellulitis of Back (any part, except Buttock) L03.313 Cellulitis of Chest Wall L03.314 Cellulitis of Groin L03.315 Cellulitis of Perineum L03.316 Cellulitis of Umbilicus Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

L03.319 Cellulitis of Trunk, Unspecified L03.321 Acute Lymphangitis of Abdominal Wall L03.322 Acute Lymphangitis of Back (any part, except Buttock) L03.323 Acute Lymphangitis of Chest Wall L03.324 Acute Lymphangitis of Groin L03.325 Acute Lymphangitis of Perineum L03.326 Acute Lymphangitis of Umbilicus L03.329 Acute Lymphangitis of Trunk, Unspecified Malignant Neoplasm of 67 153.1 Transverse Colon C18.4 Malignant Neoplasm of Transverse Colon 68 567.22 Peritoneal Abscess K65.1 Peritoneal Abscess Malignant Neoplasm of 69 154.0 Rectosigmoid Junction C19 Malignant Neoplasm of Rectosigmoid Junction Malignant Neoplasm of 70 153.2 Descending Colon C18.6 Malignant Neoplasm of Descending Colon 71 560.39 Other Impaction of Intestine K56.49 Other impaction of intestine

Nonspecific Abnormal Finding Abnormal Findings on Diagnostic Imaging of Portion of 72 793.4 Radiation & Other Exam GI Tract R93.3 Digestive Tract 73 569.44 Dysplasia of the Anus K62.82 Dysplasia of the Anus 74 276.51 Dehydration E86.0 Dehydration Other Complications of Colostomy 75 569.69 or Enterostomy K94.01 Colostomy hemorrhage K94.09 Other complications of colostomy K94.11 Enterostomy hemorrhage K94.19 Other complications of Enterostomy 76 998.83 Non-Healing Surgical Wound T81.89XA Other Complications of Procedures, NEC, Initial Other & Unspec Noninfectious 77 558.9 Gastroenteritis & Colitis K52.89 Other specified Noninfective Gastroenteritis and Colitis K52.9 Noninfective Gastroenteritis and Colitis, Unspecified 78 569.83 Perforation of Intestine K63.1 Perforation of Intestine (nontraumatic)

Intestinal or Peritoneal Adhesions Intestinal Adhesions w/Obstruction (postprocedural) 79 560.81 with Obstruction K56.5 (postinfection) 80 705.83 Hydradenitis L73.2 Hydradenitis Suppurativa Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

Umbilical Hernia w/o Mention of 81 553.1 Obstruction/Gangrene K42.9 w/o Obstruction or Gangrene

Unspec Local Skin & 82 686.9 Subcutaneous Tissue L08.9 Local Infection of the Skin & Subcutaneous Tissue, Unspec 83 787.01 with Vomiting R11.2 Nausea with Vomiting, Unspecified Human Immunodeficiency Virus 84 042 (HIV) B20 Human Immunodeficiency Virus (HIV) Disease 85 789.09 Abdominal Pain, Other Spec Site R10.10 Upper Abdominal Pain, Unspecified R10.2 Pelvic and Perineal Pain R10.30 Lower Abdominal Pain, Unspecified Nonspecific Abnormal Finding in 86 792.1 Stool Contents R19.5 Other Fecal Abnormalities 87 278.01 Morbid Obesity E66.01 Morbid (Severe) Due to Excess Calories Abdominal Pain, Left Lower 88 789.04 Quadrant R10.32 Left Lower Quadrant Pain 89 280.9 Unspec Iron Def Anemia D50.9 Iron Deficiency Anemia, Unspecified Unspec Vascular Insufficiency of 90 557.9 Intestine K55.8 Other Vascular Disorders of Intestine K55.9 Vascular Disorder of Intestine, Unspecified 91 285.22 Anemia in Neoplastic Disease D63.0 Anemia in Neoplastic Disease 92 556.8 Other Ulcerative Colitis K51.80 Other Ulcerative Colitis without Complications K51.811 Other Ulcerative Colitis with Rectal Bleeding K51.812 Other Ulcerative Colitis with Intestinal Obstruction K51.813 Other Ulcerative Colitis with Fistula K51.814 Other Ulcerative Colitis with Abscess K51.818 Other Ulcerative Colitis with Other Complication K51.819 Other Ulcerative Colitis with Unspecified Complications Intestinal due to 93 008.45 Clostridium Difficile A04.7 due to Clostridium Difficile Malignant Neoplasm of Anus, 94 154.3 Unspec Site C21.0 Malignant Neoplasm of Anus, Unspecified 95 197.7 2ndary Malig Neoplsm of Liver C78.7 2ndary Malig Neoplsm of Liver and Intrahepatic Unspecified Complication 96 569.60 Colostomy/Enterostomy K94.00 Colostomy Complication, Unspecified Crosswalk Between ICD-9 and ICD-10: Top 100 Colon and Rectal Codes

K94.10 Enterostomy Complication, Unspecified 97 569.71 K91.850 Pouchitis 98 706.2 Sebaceous Cyst L72.0 Epidermal Cyst L72.2 Steatocystoma Multiplex L72.3 Sebaceous Cyst L72.8 Other Follicular Cysts of the Skin & Subcutaneous Tissue L72.9 Follicular Cyst of the Skin & Subcutaneous Tissue, Unspec

Neoplasms Unspec Nature Bone, 99 239.2 Soft Tissue, & Skin D49.2 Neoplasm of Unspecified Nature Bone, Soft Tissue, & Skin 100 569.41 Ulcer of Anus and Rectum K62.6 Ulcer of Anus and Rectum Personal Hx Other Diseases 101 V12.79 Digestive Diseases Z87.19 Personal Hx of Other Diseases of the Digestive System 102 455.1 Internal Thrombosed Hemorrhoids K64.0 First Degree Hemorrhoids K64.1 Second Degree Hemorrhoids K64.2 Third Degree Hemorrhoids K64.3 Fourth Degree Hemorrhoids K64.8 Other Hemorrhoids 103 183.0 Malignant Neoplasm of Ovary C56.1 Malignant Neoplasm of Right Ovary C56.2 Malignant Neoplasm of Left Ovary C56.9 Malignant Neoplasm of Unspecified Ovary 104 199.0 Disseminated Malig Neoplasm C80.0 Disseminated Malignant Neoplasm, Unspecified 105 278.00 Obesity, Unspecified E66.09 Other Obesity due to Excessive Calories E66.1 Drug-Induced Obesity E66.8 Other Obesity E66.9 Obesity, Unspecified This crosswalk between ICD-9 and ICD-10 was developed by members of ASCRS to assist with some of the most common colon and rectal codes. Accurate coding is the responsibility of the provider. This crosswalk is intended only as a resource to assist in the billing process.