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 Rectum & Anus K62.5 Hemorrhage of Rectum and Anus 2 565.0 Anal Fissure 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 Hemorrhoids 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 Fistula K60.3 Acute Anal Fistula 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 Cecum D12.1 Benign neoplasm of Appendix 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 Sigmoid Colon D12.6 Benign neoplasm of Colon, Unspecified K63.5 Polyp 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 Pain K62.89 Other Specified Diseases of Anus and Rectum 10 698.0 Pruritus Ani 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 Abscess of Anal & Rectal Regions K50.014 Crohn's disease of Small Intestine with Abscess K50.114 Crohn's disease of Large Intestine 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 Anorectal Abscess K61.3 Ischiorectal Abscess K61.4 Intrasphincteric Abscess Diverticulosis of Lg Intestine w/o Perforation or Abscess w/o 14 562.10 Diverticulosis of Colon K57.30 bleeding 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 Constipation K59.00 Constipation, Unspecified Diverticulitis of Lg Intestine w Perforation & Abscess w/o 16 562.11 Diverticulitis 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 Gastrointestinal Tract 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 Diarrhea K52.2 Allergic & Dietetic Gastroenteritis and Colitis K52.89 Other specified Noninfective Gastroenteritis and Colitis R19.7 Diarrhea, unspecified Benign Neoplasm of Rectum & 27 211.4 Anal Canal 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 Blood in Stool K92.1 Melena Other specified Disorder of 34 569.49 Rectum & Anus K62.7 Radiation Proctitis K62.89 Other Specified Diseases of Anus and Rectum K62.9 Disease of Anus & Rectum, unspecified 35 V55.2 Attention to Ileostomy 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 Ulcerative Colitis 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 Hernia w/o mention 41 553.21 Obstruction/Gangrene K43.2 Incisional Hernia w/o Obstruction or Gangrene 42 569.1 Rectal Prolapse 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 Colostomy 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 Irritable Bowel Syndrome K58.0 Irritable Bowel Syndrome with Diarrhea K58.9 Irritable Bowel Syndrome without Diarrhea 49 555.1 Regional Enteritis 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