Diagnosis Codes Index - Diseases of the digestive system

    • ICD-10 Index

      • Diseases of the digestive system (K00–K93)

        Excludes2: certain conditions originating in the perinatal period (P04-P96), certain infectious and parasitic diseases (A00-B99), complications of pregnancy, childbirth and the puerperium (O00-O9A), congenital malformations, deformations and chromosomal abnormalities (Q00-Q99), endocrine, nutritional and metabolic diseases (E00-E88), injury, poisoning and certain other consequences of external causes (S00-T88), neoplasms (C00-D49)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

        • Diseases of oral cavity and salivary glands (K00-K14)

          • Disorders of tooth development and eruption (K00)
          • Embedded and impacted teeth (K01)
          • Dental caries (K02)
          • Other diseases of hard tissues of teeth (K03)
          • Diseases of pulp and periapical tissues (K04)
          • Gingivitis and periodontal diseases (K05)
          • Other disorders of gingiva and edentulous alveolar ridge (K06)
          • Other disorders of teeth and supporting structures (K08)
          • Cysts of oral region, not elsewhere classified (K09)
          • Diseases of salivary glands (K11)
          • Stomatitis and related lesions (K12)
          • Other diseases of lip and oral mucosa (K13)
          • Diseases of tongue (K14)
        • Diseases of esophagus, stomach and duodenum (K20-K31)

          • Esophagitis (K20)
          • Gastro-esophageal reflux disease (K21)
          • Other diseases of esophagus (K22)
          • Disorders of esophagus in diseases classified elsewhere (K23)
          • Gastric ulcer (K25)
          • Duodenal ulcer (K26)
          • Peptic ulcer, site unspecified (K27)
          • Gastrojejunal ulcer (K28)
          • Gastritis and duodenitis (K29)
          • Functional dyspepsia (K30)
          • Other diseases of stomach and duodenum (K31)
        • Diseases of appendix (K35-K38)

          • Acute appendicitis (K35)
          • Other appendicitis (K36)
          • Unspecified appendicitis (K37)
          • Other diseases of appendix (K38)
        • Hernia (K40-K46)

          • Inguinal hernia (K40)
          • Femoral hernia (K41)
          • Umbilical hernia (K42)
          • Ventral hernia (K43)
          • Diaphragmatic hernia (K44)
          • Other abdominal hernia (K45)
          • Unspecified abdominal hernia (K46)
        • Noninfective enteritis and colitis (K50-K52)

          • Crohn's disease [regional enteritis] (K50)
          • Ulcerative colitis (K51)
          • Other and unsp noninfective gastroenteritis and colitis (K52)
        • Other diseases of intestines (K55-K64)

          • Vascular disorders of intestine (K55)
          • Paralytic ileus and intestinal obstruction without hernia (K56)
          • Diverticular disease of intestine (K57)
          • Irritable bowel syndrome (K58)
          • Other functional intestinal disorders (K59)
          • Fissure and fistula of anal and rectal regions (K60)
          • Abscess of anal and rectal regions (K61)
          • Other diseases of anus and rectum (K62)
          • Other diseases of intestine (K63)
          • Hemorrhoids and perianal venous thrombosis (K64)
        • Diseases of peritoneum and retroperitoneum (K65-K68)

          • Peritonitis (K65)
          • Other disorders of peritoneum (K66)
          • Disorders of peritoneum in infectious diseases classd elswhr (K67)
          • Disorders of retroperitoneum (K68)
        • Diseases of liver (K70-K77)

          • Alcoholic liver disease (K70)
          • Toxic liver disease (K71)
          • Hepatic failure, not elsewhere classified (K72)
          • Chronic hepatitis, not elsewhere classified (K73)
          • Fibrosis and cirrhosis of liver (K74)
          • Other inflammatory liver diseases (K75)
          • Other diseases of liver (K76)
          • Liver disorders in diseases classified elsewhere (K77)
        • Disorders of gallbladder, biliary tract and pancreas (K80-K87)

          • Cholelithiasis (K80)
          • Cholecystitis (K81)
          • Other diseases of gallbladder (K82)
          • Other diseases of biliary tract (K83)
          • Acute pancreatitis (K85)
          • Other diseases of pancreas (K86)
          • Disord of GB, biliary trac and pancreas in dis classd elswhr (K87)
        • Other diseases of the digestive system (K90-K95)

          • Intestinal malabsorption (K90)
          • Intraop and postproc comp and disorders of dgstv sys, NEC (K91)
          • Other diseases of digestive system (K92)
          • Complications of artificial openings of the digestive system (K94)
          • Complications of bariatric procedures (K95)

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