AutoICD API

Chapter 11: Diseases of the Digestive System

ICD-10 to ICD-11 crosswalk mappings for codes K00-K95

462 ICD-10 codes in this chapter have ICD-11 crosswalk mappings from the WHO.

Includes GERD, gastritis, peptic ulcers, appendicitis, hernias, Crohn's disease, ulcerative colitis, diverticulitis, liver disease, gallstones, and pancreatitis. GERD (K21) and abdominal pain are among the most common gastrointestinal complaints seen in primary care.

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K00-K14: Diseases of Oral Cavity and Salivary Glands

101 codes with ICD-11 mappings

K00Disorders of tooth development and eruption1 mappingK00.0Anodontia1 mappingK00.1Supernumerary teeth1 mappingK00.2Abnormalities of size and form of teeth1 mappingK00.3Mottled teeth1 mappingK00.4Disturbances in tooth formation1 mappingK00.5Hereditary disturbances in tooth structure, NEC1 mappingK00.6Disturbances in tooth eruption1 mappingK00.7Teething syndrome1 mappingK00.8Other disorders of tooth development1 mappingK00.9Disorder of tooth development, unspecified1 mappingK01Embedded and impacted teeth1 mappingK01.0Embedded teeth1 mappingK01.1Impacted teeth1 mappingK02Dental caries1 mappingK02.3Arrested dental caries1 mappingK02.5Dental caries on pit and fissure surface1 mappingK02.9Dental caries, unspecified1 mappingK03Other diseases of hard tissues of teeth1 mappingK03.0Excessive attrition of teeth1 mappingK03.1Abrasion of teeth1 mappingK03.2Erosion of teeth1 mappingK03.3Pathological resorption of teeth1 mappingK03.4Hypercementosis1 mappingK03.5Ankylosis of teeth1 mappingK03.6Deposits [accretions] on teeth1 mappingK03.7Posteruptive color changes of dental hard tissues1 mappingK03.8Other specified diseases of hard tissues of teeth1 mappingK03.9Disease of hard tissues of teeth, unspecified1 mappingK04Diseases of pulp and periapical tissues1 mappingK04.0Pulpitis1 mappingK04.1Necrosis of pulp1 mappingK04.2Pulp degeneration1 mappingK04.3Abnormal hard tissue formation in pulp1 mappingK04.4Acute apical periodontitis of pulpal origin1 mappingK04.5Chronic apical periodontitis1 mappingK04.6Periapical abscess with sinus1 mappingK04.7Periapical abscess without sinus1 mappingK04.8Radicular cyst1 mappingK04.9Other and unsp diseases of pulp and periapical tissues1 mappingK05Gingivitis and periodontal diseases1 mappingK05.0Acute gingivitis1 mappingK05.1Chronic gingivitis1 mappingK05.2Aggressive periodontitis1 mappingK05.3Chronic periodontitis1 mappingK05.4Periodontosis1 mappingK05.5Other periodontal diseases1 mappingK05.6Periodontal disease, unspecified1 mappingK06Other disorders of gingiva and edentulous alveolar ridge1 mappingK06.0Gingival recession1 mappingK06.1Gingival enlargement1 mappingK06.2Gingival & edentulous alveolar ridge lesions assoc w trauma1 mappingK06.8Oth disrd of gingiva and edentulous alveolar ridge1 mappingK06.9Disorder of gingiva and edentulous alveolar ridge, unsp1 mappingK08Other disorders of teeth and supporting structures1 mappingK08.0Exfoliation of teeth due to systemic causes1 mappingK08.1Complete loss of teeth1 mappingK08.2Atrophy of edentulous alveolar ridge1 mappingK08.3Retained dental root1 mappingK08.8Other specified disorders of teeth and supporting structures1 mappingK08.9Disorder of teeth and supporting structures, unspecified1 mappingK09Cysts of oral region, not elsewhere classified1 mappingK09.0Developmental odontogenic cysts1 mappingK09.1Developmental (nonodontogenic) cysts of oral region1 mappingK09.8Other cysts of oral region, not elsewhere classified1 mappingK09.9Cyst of oral region, unspecified1 mappingK11Diseases of salivary glands1 mappingK11.0Atrophy of salivary gland1 mappingK11.1Hypertrophy of salivary gland1 mappingK11.2Sialoadenitis1 mappingK11.3Abscess of salivary gland1 mappingK11.4Fistula of salivary gland1 mappingK11.5Sialolithiasis1 mappingK11.6Mucocele of salivary gland1 mappingK11.7Disturbances of salivary secretion1 mappingK11.8Other diseases of salivary glands1 mappingK11.9Disease of salivary gland, unspecified1 mappingK12Stomatitis and related lesions1 mappingK12.0Recurrent oral aphthae1 mappingK12.1Other forms of stomatitis1 mappingK12.2Cellulitis and abscess of mouth1 mappingK12.3Oral mucositis (ulcerative)1 mappingK13Other diseases of lip and oral mucosa1 mappingK13.0Diseases of lips1 mappingK13.1Cheek and lip biting1 mappingK13.2Leukoplakia and oth disturb of oral epithelium, inc tongue1 mappingK13.3Hairy leukoplakia1 mappingK13.4Granuloma and granuloma-like lesions of oral mucosa1 mappingK13.5Oral submucous fibrosis1 mappingK13.6Irritative hyperplasia of oral mucosa1 mappingK13.7Other and unspecified lesions of oral mucosa1 mappingK14Diseases of tongue1 mappingK14.0Glossitis1 mappingK14.1Geographic tongue1 mappingK14.2Median rhomboid glossitis1 mappingK14.3Hypertrophy of tongue papillae1 mappingK14.4Atrophy of tongue papillae1 mappingK14.5Plicated tongue1 mappingK14.6Glossodynia1 mappingK14.8Other diseases of tongue1 mappingK14.9Disease of tongue, unspecified1 mapping

K20-K31: Diseases of Esophagus, Stomach and Duodenum

78 codes with ICD-11 mappings

K20Esophagitis1 mappingK21Gastro-esophageal reflux disease1 mappingK21.0Gastro-esophageal reflux disease with esophagitis1 mappingK21.9Gastro-esophageal reflux disease without esophagitis1 mappingK22Other diseases of esophagus1 mappingK22.0Achalasia of cardia1 mappingK22.1Ulcer of esophagus1 mappingK22.2Esophageal obstruction1 mappingK22.3Perforation of esophagus1 mappingK22.4Dyskinesia of esophagus1 mappingK22.5Diverticulum of esophagus, acquired1 mappingK22.6Gastro-esophageal laceration-hemorrhage syndrome1 mappingK22.7Barrett's esophagus1 mappingK22.8Other specified diseases of esophagus1 mappingK22.9Disease of esophagus, unspecified1 mappingK23Disorders of esophagus in diseases classified elsewhere1 mappingK25Gastric ulcer1 mappingK25.0Acute gastric ulcer with hemorrhage1 mappingK25.1Acute gastric ulcer with perforation1 mappingK25.2Acute gastric ulcer with both hemorrhage and perforation1 mappingK25.3Acute gastric ulcer without hemorrhage or perforation1 mappingK25.4Chronic or unspecified gastric ulcer with hemorrhage1 mappingK25.5Chronic or unspecified gastric ulcer with perforation1 mappingK25.6Chronic or unsp gastric ulcer w both hemorrhage and perf1 mappingK25.7Chronic gastric ulcer without hemorrhage or perforation1 mappingK25.9Gastric ulcer, unsp as acute or chronic, w/o hemor or perf1 mappingK26Duodenal ulcer1 mappingK26.0Acute duodenal ulcer with hemorrhage1 mappingK26.1Acute duodenal ulcer with perforation1 mappingK26.2Acute duodenal ulcer with both hemorrhage and perforation1 mappingK26.3Acute duodenal ulcer without hemorrhage or perforation1 mappingK26.4Chronic or unspecified duodenal ulcer with hemorrhage1 mappingK26.5Chronic or unspecified duodenal ulcer with perforation1 mappingK26.6Chronic or unsp duodenal ulcer w both hemorrhage and perf1 mappingK26.7Chronic duodenal ulcer without hemorrhage or perforation1 mappingK26.9Duodenal ulcer, unsp as acute or chronic, w/o hemor or perf1 mappingK27Peptic ulcer, site unspecified1 mappingK27.0Acute peptic ulcer, site unspecified, with hemorrhage1 mappingK27.1Acute peptic ulcer, site unspecified, with perforation1 mappingK27.2Acute peptic ulcer, site unsp, w both hemorrhage and perf1 mappingK27.3Acute peptic ulcer, site unsp, w/o hemorrhage or perforation1 mappingK27.4Chronic or unsp peptic ulcer, site unsp, with hemorrhage1 mappingK27.5Chronic or unsp peptic ulcer, site unsp, with perforation1 mappingK27.6Chr or unsp peptic ulcer, site unsp, w both hemor and perf1 mappingK27.7Chronic peptic ulcer, site unsp, w/o hemorrhage or perf1 mappingK27.9Peptic ulc, site unsp, unsp as ac or chr, w/o hemor or perf1 mappingK28Gastrojejunal ulcer1 mappingK28.0Acute gastrojejunal ulcer with hemorrhage1 mappingK28.1Acute gastrojejunal ulcer with perforation1 mappingK28.2Acute gastrojejunal ulcer w both hemorrhage and perforation1 mappingK28.3Acute gastrojejunal ulcer without hemorrhage or perforation1 mappingK28.4Chronic or unspecified gastrojejunal ulcer with hemorrhage1 mappingK28.5Chronic or unspecified gastrojejunal ulcer with perforation1 mappingK28.6Chronic or unsp gastrojejunal ulcer w both hemor and perf1 mappingK28.7Chronic gastrojejunal ulcer w/o hemorrhage or perforation1 mappingK28.9Gastrojejunal ulcer, unsp as acute or chr, w/o hemor or perf1 mappingK29Gastritis and duodenitis1 mappingK29.0Acute gastritis1 mappingK29.2Alcoholic gastritis1 mappingK29.3Chronic superficial gastritis1 mappingK29.4Chronic atrophic gastritis1 mappingK29.5Unspecified chronic gastritis1 mappingK29.6Other gastritis1 mappingK29.7Gastritis, unspecified1 mappingK29.8Duodenitis1 mappingK29.9Gastroduodenitis, unspecified1 mappingK30Functional dyspepsia1 mappingK31Other diseases of stomach and duodenum1 mappingK31.0Acute dilatation of stomach1 mappingK31.1Adult hypertrophic pyloric stenosis1 mappingK31.2Hourglass stricture and stenosis of stomach1 mappingK31.3Pylorospasm, not elsewhere classified1 mappingK31.4Gastric diverticulum1 mappingK31.5Obstruction of duodenum1 mappingK31.6Fistula of stomach and duodenum1 mappingK31.7Polyp of stomach and duodenum1 mappingK31.8Other specified diseases of stomach and duodenum1 mappingK31.9Disease of stomach and duodenum, unspecified1 mapping

K35-K38: Diseases of Appendix

13 codes with ICD-11 mappings

K40-K46: Hernia

40 codes with ICD-11 mappings

K40Inguinal hernia1 mappingK40.0Bilateral inguinal hernia, with obstruction, w/o gangrene1 mappingK40.1Bilateral inguinal hernia, with gangrene1 mappingK40.2Bilateral inguinal hernia, without obstruction or gangrene1 mappingK40.3Unilateral inguinal hernia, with obstruction, w/o gangrene1 mappingK40.4Unilateral inguinal hernia, with gangrene1 mappingK40.9Unilateral inguinal hernia, without obstruction or gangrene1 mappingK41Femoral hernia1 mappingK41.0Bilateral femoral hernia, with obstruction, without gangrene1 mappingK41.1Bilateral femoral hernia, with gangrene1 mappingK41.2Bilateral femoral hernia, without obstruction or gangrene1 mappingK41.3Unilateral femoral hernia, with obstruction, w/o gangrene1 mappingK41.4Unilateral femoral hernia, with gangrene1 mappingK41.9Unilateral femoral hernia, without obstruction or gangrene1 mappingK42Umbilical hernia1 mappingK42.0Umbilical hernia with obstruction, without gangrene1 mappingK42.1Umbilical hernia with gangrene1 mappingK42.9Umbilical hernia without obstruction or gangrene1 mappingK43Ventral hernia1 mappingK43.0Incisional hernia with obstruction, without gangrene1 mappingK43.1Incisional hernia with gangrene1 mappingK43.2Incisional hernia without obstruction or gangrene1 mappingK43.3Parastomal hernia with obstruction, without gangrene1 mappingK43.4Parastomal hernia with gangrene1 mappingK43.5Parastomal hernia without obstruction or gangrene1 mappingK43.6Other and unsp ventral hernia with obstruction, w/o gangrene1 mappingK43.7Other and unspecified ventral hernia with gangrene1 mappingK43.9Ventral hernia without obstruction or gangrene1 mappingK44Diaphragmatic hernia1 mappingK44.0Diaphragmatic hernia with obstruction, without gangrene1 mappingK44.1Diaphragmatic hernia with gangrene1 mappingK44.9Diaphragmatic hernia without obstruction or gangrene1 mappingK45Other abdominal hernia1 mappingK45.0Oth abdominal hernia with obstruction, without gangrene1 mappingK45.1Other specified abdominal hernia with gangrene1 mappingK45.8Oth abdominal hernia without obstruction or gangrene1 mappingK46Unspecified abdominal hernia1 mappingK46.0Unsp abdominal hernia with obstruction, without gangrene1 mappingK46.1Unspecified abdominal hernia with gangrene1 mappingK46.9Unspecified abdominal hernia without obstruction or gangrene1 mapping

K50-K52: Noninfective Enteritis and Colitis

20 codes with ICD-11 mappings

K55-K64: Other Diseases of Intestines

79 codes with ICD-11 mappings

K55Vascular disorders of intestine1 mappingK55.0Acute vascular disorders of intestine1 mappingK55.1Chronic vascular disorders of intestine1 mappingK55.2Angiodysplasia of colon1 mappingK55.3Necrotizing enterocolitis1 mappingK55.8Other vascular disorders of intestine1 mappingK55.9Vascular disorder of intestine, unspecified1 mappingK56Paralytic ileus and intestinal obstruction without hernia1 mappingK56.0Paralytic ileus1 mappingK56.1Intussusception1 mappingK56.2Volvulus1 mappingK56.3Gallstone ileus1 mappingK56.4Other impaction of intestine1 mappingK56.5Intestinal adhesions with obstruction (postinfection)1 mappingK56.6Other and unspecified intestinal obstruction1 mappingK56.7Ileus, unspecified1 mappingK57Diverticular disease of intestine1 mappingK57.0Diverticulitis of small intestine w perforation and abscess1 mappingK57.1Diverticular disease of sm int w/o perforation or abscess1 mappingK57.2Diverticulitis of large intestine w perforation and abscess1 mappingK57.3Diverticular disease of lg int w/o perforation or abscess1 mappingK57.4Dvtrcli of both small and lg int w perforation and abscess1 mappingK57.5Diverticular dis of both small and lg int w/o perf or abscs1 mappingK57.8Dvtrcli of intestine, part unsp, w perforation and abscess1 mappingK57.9Diverticular disease of intest, part unsp, w/o perf or abscs1 mappingK58Irritable bowel syndrome1 mappingK58.1Irritable bowel syndrome with constipation1 mappingK58.2Mixed irritable bowel syndrome1 mappingK58.8Other irritable bowel syndrome1 mappingK59Other functional intestinal disorders1 mappingK59.0Constipation1 mappingK59.1Functional diarrhea1 mappingK59.2Neurogenic bowel, not elsewhere classified1 mappingK59.3Megacolon, not elsewhere classified1 mappingK59.4Anal spasm1 mappingK59.8Other specified functional intestinal disorders1 mappingK59.9Functional intestinal disorder, unspecified1 mappingK60Fissure and fistula of anal and rectal regions1 mappingK60.0Acute anal fissure1 mappingK60.1Chronic anal fissure1 mappingK60.2Anal fissure, unspecified1 mappingK60.3Anal fistula1 mappingK60.4Rectal fistula1 mappingK60.5Anorectal fistula1 mappingK61Abscess of anal and rectal regions1 mappingK61.0Anal abscess1 mappingK61.1Rectal abscess1 mappingK61.2Anorectal abscess1 mappingK61.3Ischiorectal abscess1 mappingK61.4Intrasphincteric abscess1 mappingK62Other diseases of anus and rectum1 mappingK62.0Anal polyp1 mappingK62.1Rectal polyp1 mappingK62.2Anal prolapse1 mappingK62.3Rectal prolapse1 mappingK62.4Stenosis of anus and rectum1 mappingK62.5Hemorrhage of anus and rectum1 mappingK62.6Ulcer of anus and rectum1 mappingK62.7Radiation proctitis1 mappingK62.8Other specified diseases of anus and rectum1 mappingK62.9Disease of anus and rectum, unspecified1 mappingK63Other diseases of intestine1 mappingK63.0Abscess of intestine1 mappingK63.1Perforation of intestine (nontraumatic)1 mappingK63.2Fistula of intestine1 mappingK63.3Ulcer of intestine1 mappingK63.4Enteroptosis1 mappingK63.5Polyp of colon1 mappingK63.8Other specified diseases of intestine1 mappingK63.9Disease of intestine, unspecified1 mappingK64Hemorrhoids and perianal venous thrombosis1 mappingK64.0First degree hemorrhoids1 mappingK64.1Second degree hemorrhoids1 mappingK64.2Third degree hemorrhoids1 mappingK64.3Fourth degree hemorrhoids1 mappingK64.4Residual hemorrhoidal skin tags1 mappingK64.5Perianal venous thrombosis1 mappingK64.8Other hemorrhoids1 mappingK64.9Unspecified hemorrhoids1 mapping

K65-K68: Diseases of Peritoneum and Retroperitoneum

10 codes with ICD-11 mappings

K70-K77: Diseases of Liver

56 codes with ICD-11 mappings

K70Alcoholic liver disease1 mappingK70.0Alcoholic fatty liver1 mappingK70.1Alcoholic hepatitis1 mappingK70.2Alcoholic fibrosis and sclerosis of liver1 mappingK70.3Alcoholic cirrhosis of liver1 mappingK70.4Alcoholic hepatic failure1 mappingK70.9Alcoholic liver disease, unspecified1 mappingK71Toxic liver disease1 mappingK71.0Toxic liver disease with cholestasis1 mappingK71.1Toxic liver disease with hepatic necrosis1 mappingK71.2Toxic liver disease with acute hepatitis1 mappingK71.3Toxic liver disease with chronic persistent hepatitis1 mappingK71.4Toxic liver disease with chronic lobular hepatitis1 mappingK71.5Toxic liver disease with chronic active hepatitis1 mappingK71.6Toxic liver disease with hepatitis, not elsewhere classified1 mappingK71.7Toxic liver disease with fibrosis and cirrhosis of liver1 mappingK71.8Toxic liver disease with other disorders of liver1 mappingK71.9Toxic liver disease, unspecified1 mappingK72Hepatic failure, not elsewhere classified1 mappingK72.0Acute and subacute hepatic failure1 mappingK72.1Chronic hepatic failure1 mappingK72.9Hepatic failure, unspecified1 mappingK73Chronic hepatitis, not elsewhere classified1 mappingK73.0Chronic persistent hepatitis, not elsewhere classified1 mappingK73.1Chronic lobular hepatitis, not elsewhere classified1 mappingK73.2Chronic active hepatitis, not elsewhere classified1 mappingK73.8Other chronic hepatitis, not elsewhere classified1 mappingK73.9Chronic hepatitis, unspecified1 mappingK74Fibrosis and cirrhosis of liver1 mappingK74.0Hepatic fibrosis1 mappingK74.1Hepatic sclerosis1 mappingK74.2Hepatic fibrosis with hepatic sclerosis1 mappingK74.3Primary biliary cirrhosis1 mappingK74.4Secondary biliary cirrhosis1 mappingK74.5Biliary cirrhosis, unspecified1 mappingK74.6Other and unspecified cirrhosis of liver1 mappingK75Other inflammatory liver diseases1 mappingK75.0Abscess of liver1 mappingK75.1Phlebitis of portal vein1 mappingK75.2Nonspecific reactive hepatitis1 mappingK75.3Granulomatous hepatitis, not elsewhere classified1 mappingK75.4Autoimmune hepatitis1 mappingK75.8Other specified inflammatory liver diseases1 mappingK75.9Inflammatory liver disease, unspecified1 mappingK76Other diseases of liver1 mappingK76.0Fatty (change of) liver, not elsewhere classified1 mappingK76.1Chronic passive congestion of liver1 mappingK76.2Central hemorrhagic necrosis of liver1 mappingK76.3Infarction of liver1 mappingK76.4Peliosis hepatis1 mappingK76.5Hepatic veno-occlusive disease1 mappingK76.6Portal hypertension1 mappingK76.7Hepatorenal syndrome1 mappingK76.8Other specified diseases of liver1 mappingK76.9Liver disease, unspecified1 mappingK77Liver disorders in diseases classified elsewhere1 mapping

K80-K87: Disorders of Gallbladder, Biliary Tract and Pancreas

44 codes with ICD-11 mappings

K80Cholelithiasis1 mappingK80.0Calculus of gallbladder with acute cholecystitis1 mappingK80.1Calculus of gallbladder with other cholecystitis1 mappingK80.2Calculus of gallbladder without cholecystitis1 mappingK80.3Calculus of bile duct with cholangitis1 mappingK80.4Calculus of bile duct with cholecystitis1 mappingK80.5Calculus of bile duct without cholangitis or cholecystitis1 mappingK80.8Other cholelithiasis1 mappingK81Cholecystitis1 mappingK81.0Acute cholecystitis1 mappingK81.1Chronic cholecystitis1 mappingK81.9Cholecystitis, unspecified1 mappingK82Other diseases of gallbladder1 mappingK82.0Obstruction of gallbladder1 mappingK82.1Hydrops of gallbladder1 mappingK82.2Perforation of gallbladder1 mappingK82.3Fistula of gallbladder1 mappingK82.4Cholesterolosis of gallbladder1 mappingK82.8Other specified diseases of gallbladder1 mappingK82.9Disease of gallbladder, unspecified1 mappingK83Other diseases of biliary tract1 mappingK83.0Cholangitis1 mappingK83.1Obstruction of bile duct1 mappingK83.2Perforation of bile duct1 mappingK83.3Fistula of bile duct1 mappingK83.4Spasm of sphincter of Oddi1 mappingK83.5Biliary cyst1 mappingK83.8Other specified diseases of biliary tract1 mappingK83.9Disease of biliary tract, unspecified1 mappingK85Acute pancreatitis1 mappingK85.0Idiopathic acute pancreatitis1 mappingK85.1Biliary acute pancreatitis1 mappingK85.2Alcohol induced acute pancreatitis1 mappingK85.3Drug induced acute pancreatitis1 mappingK85.8Other acute pancreatitis1 mappingK85.9Acute pancreatitis, unspecified1 mappingK86Other diseases of pancreas1 mappingK86.0Alcohol-induced chronic pancreatitis1 mappingK86.1Other chronic pancreatitis1 mappingK86.2Cyst of pancreas1 mappingK86.3Pseudocyst of pancreas1 mappingK86.8Other specified diseases of pancreas1 mappingK86.9Disease of pancreas, unspecified1 mappingK87Disord of GB, biliary trac and pancreas in dis classd elswhr1 mapping

K90-K95: Other Diseases of the Digestive System

21 codes with ICD-11 mappings