K00-K95189 V28 risk-adjusting codes
Diseases of the digestive system
ICD-10-CM Chapter 11 (K00-K95) in the FY2026 code set. 189 codes in this chapter map to a CMS-HCC V28 payment category, across 9 HCC categories.
CMS-HCC V28 categories in this chapter (9)
Open any category for its full member-code list, RAF, and hierarchy.
- HCC 78 Intestinal Obstruction/Perforation55
- HCC 81 Ulcerative Colitis49
- HCC 80 Crohn's Disease (Regional Enteritis)28
- HCC 463 Artificial Openings for Feeding or Elimination22
- HCC 65 Chronic Hepatitis12
- HCC 63 Chronic Liver Failure/End-Stage Liver Disorders10
- HCC 64 Cirrhosis of Liver6
- HCC 68 Cholangitis and Obstruction of Bile Duct Without Gallstones5
- HCC 79 Chronic Pancreatitis2
Risk-adjusting ICD-10-CM codes (189)
Codes in this chapter that map to a CMS-HCC V28 payment category. Open any code for its full detail.
- K25.1Acute gastric ulcer with perforation
- K25.2Acute gastric ulcer with both hemorrhage and perforation
- K25.5Chronic or unspecified gastric ulcer with perforation
- K25.6Chronic or unspecified gastric ulcer with both hemorrhage and perforation
- K26.1Acute duodenal ulcer with perforation
- K26.2Acute duodenal ulcer with both hemorrhage and perforation
- K26.5Chronic or unspecified duodenal ulcer with perforation
- K26.6Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
- K27.1Acute peptic ulcer, site unspecified, with perforation
- K27.2Acute peptic ulcer, site unspecified, with both hemorrhage and perforation
- K27.5Chronic or unspecified peptic ulcer, site unspecified, with perforation
- K27.6Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation
- K28.1Acute gastrojejunal ulcer with perforation
- K28.2Acute gastrojejunal ulcer with both hemorrhage and perforation
- K28.5Chronic or unspecified gastrojejunal ulcer with perforation
- K28.6Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
- K50.00Crohn's disease of small intestine without complications
- K50.011Crohn's disease of small intestine with rectal bleeding
- K50.012Crohn's disease of small intestine with intestinal obstruction
- K50.012Crohn's disease of small intestine with intestinal obstruction
- K50.013Crohn's disease of small intestine with fistula
- K50.014Crohn's disease of small intestine with abscess
- K50.018Crohn's disease of small intestine with other complication
- K50.019Crohn's disease of small intestine with unspecified complications
- K50.10Crohn's disease of large intestine without complications
- K50.111Crohn's disease of large intestine with rectal bleeding
- K50.112Crohn's disease of large intestine with intestinal obstruction
- K50.112Crohn's disease of large intestine with intestinal obstruction
- K50.113Crohn's disease of large intestine with fistula
- K50.114Crohn's disease of large intestine with abscess
- K50.118Crohn's disease of large intestine with other complication
- K50.119Crohn's disease of large intestine with unspecified complications
- K50.80Crohn's disease of both small and large intestine without complications
- K50.811Crohn's disease of both small and large intestine with rectal bleeding
- K50.812Crohn's disease of both small and large intestine with intestinal obstruction
- K50.812Crohn's disease of both small and large intestine with intestinal obstruction
- K50.813Crohn's disease of both small and large intestine with fistula
- K50.814Crohn's disease of both small and large intestine with abscess
- K50.818Crohn's disease of both small and large intestine with other complication
- K50.819Crohn's disease of both small and large intestine with unspecified complications
- K50.90Crohn's disease, unspecified, without complications
- K50.911Crohn's disease, unspecified, with rectal bleeding
- K50.912Crohn's disease, unspecified, with intestinal obstruction
- K50.912Crohn's disease, unspecified, with intestinal obstruction
- K50.913Crohn's disease, unspecified, with fistula
- K50.914Crohn's disease, unspecified, with abscess
- K50.918Crohn's disease, unspecified, with other complication
- K50.919Crohn's disease, unspecified, with unspecified complications
- K51.00Ulcerative (chronic) pancolitis without complications
- K51.011Ulcerative (chronic) pancolitis with rectal bleeding
- K51.012Ulcerative (chronic) pancolitis with intestinal obstruction
- K51.012Ulcerative (chronic) pancolitis with intestinal obstruction
- K51.013Ulcerative (chronic) pancolitis with fistula
- K51.014Ulcerative (chronic) pancolitis with abscess
- K51.018Ulcerative (chronic) pancolitis with other complication
- K51.019Ulcerative (chronic) pancolitis with unspecified complications
- K51.20Ulcerative (chronic) proctitis without complications
- K51.211Ulcerative (chronic) proctitis with rectal bleeding
- K51.212Ulcerative (chronic) proctitis with intestinal obstruction
- K51.212Ulcerative (chronic) proctitis with intestinal obstruction
- K51.213Ulcerative (chronic) proctitis with fistula
- K51.214Ulcerative (chronic) proctitis with abscess
- K51.218Ulcerative (chronic) proctitis with other complication
- K51.219Ulcerative (chronic) proctitis with unspecified complications
- K51.30Ulcerative (chronic) rectosigmoiditis without complications
- K51.311Ulcerative (chronic) rectosigmoiditis with rectal bleeding
- K51.312Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
- K51.312Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
- K51.313Ulcerative (chronic) rectosigmoiditis with fistula
- K51.314Ulcerative (chronic) rectosigmoiditis with abscess
- K51.318Ulcerative (chronic) rectosigmoiditis with other complication
- K51.319Ulcerative (chronic) rectosigmoiditis with unspecified complications
- K51.40Inflammatory polyps of colon without complications
- K51.411Inflammatory polyps of colon with rectal bleeding
- K51.412Inflammatory polyps of colon with intestinal obstruction
- K51.412Inflammatory polyps of colon with intestinal obstruction
- K51.413Inflammatory polyps of colon with fistula
- K51.414Inflammatory polyps of colon with abscess
- K51.418Inflammatory polyps of colon with other complication
- K51.419Inflammatory polyps of colon with unspecified complications
- K51.50Left sided colitis without complications
- K51.511Left sided colitis with rectal bleeding
- K51.512Left sided colitis with intestinal obstruction
- K51.512Left sided colitis with intestinal obstruction
- K51.513Left sided colitis with fistula
- K51.514Left sided colitis with abscess
- K51.518Left sided colitis with other complication
- K51.519Left sided colitis with unspecified complications
- K51.80Other ulcerative colitis without complications
- K51.811Other ulcerative colitis with rectal bleeding
- K51.812Other ulcerative colitis with intestinal obstruction
- K51.812Other ulcerative colitis with intestinal obstruction
- K51.813Other ulcerative colitis with fistula
- K51.814Other ulcerative colitis with abscess
- K51.818Other ulcerative colitis with other complication
- K51.819Other ulcerative colitis with unspecified complications
- K51.90Ulcerative colitis, unspecified, without complications
- K51.911Ulcerative colitis, unspecified with rectal bleeding
- K51.912Ulcerative colitis, unspecified with intestinal obstruction
- K51.912Ulcerative colitis, unspecified with intestinal obstruction
- K51.913Ulcerative colitis, unspecified with fistula
- K51.914Ulcerative colitis, unspecified with abscess
- K51.918Ulcerative colitis, unspecified with other complication
- K51.919Ulcerative colitis, unspecified with unspecified complications
- K56.0Paralytic ileus
- K56.1Intussusception
- K56.2Volvulus
- K56.3Gallstone ileus
- K56.41Fecal impaction
- K56.49Other impaction of intestine
- K56.50Intestinal adhesions [bands], unspecified as to partial versus complete obstruction
- K56.51Intestinal adhesions [bands], with partial obstruction
- K56.52Intestinal adhesions [bands] with complete obstruction
- K56.600Partial intestinal obstruction, unspecified as to cause
- K56.601Complete intestinal obstruction, unspecified as to cause
- K56.609Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
- K56.690Other partial intestinal obstruction
- K56.691Other complete intestinal obstruction
- K56.699Other intestinal obstruction unspecified as to partial versus complete obstruction
- K56.7Ileus, unspecified
- K59.31Toxic megacolon
- K63.1Perforation of intestine (nontraumatic)
- K65.0Generalized (acute) peritonitis
- K65.1Peritoneal abscess
- K65.2Spontaneous bacterial peritonitis
- K65.3Choleperitonitis
- K65.4Sclerosing mesenteritis
- K65.8Other peritonitis
- K65.9Peritonitis, unspecified
- K67Disorders of peritoneum in infectious diseases classified elsewhere
- K68.12Psoas muscle abscess
- K68.19Other retroperitoneal abscess
- K70.10Alcoholic hepatitis without ascites
- K70.11Alcoholic hepatitis with ascites
- K70.30Alcoholic cirrhosis of liver without ascites
- K70.31Alcoholic cirrhosis of liver with ascites
- K70.40Alcoholic hepatic failure without coma
- K70.41Alcoholic hepatic failure with coma
- K71.3Toxic liver disease with chronic persistent hepatitis
- K71.4Toxic liver disease with chronic lobular hepatitis
- K71.50Toxic liver disease with chronic active hepatitis without ascites
- K71.51Toxic liver disease with chronic active hepatitis with ascites
- K71.7Toxic liver disease with fibrosis and cirrhosis of liver
- K72.10Chronic hepatic failure without coma
- K72.11Chronic hepatic failure with coma
- K72.90Hepatic failure, unspecified without coma
- K72.91Hepatic failure, unspecified with coma
- K73.0Chronic persistent hepatitis, not elsewhere classified
- K73.1Chronic lobular hepatitis, not elsewhere classified
- K73.2Chronic active hepatitis, not elsewhere classified
- K73.8Other chronic hepatitis, not elsewhere classified
- K73.9Chronic hepatitis, unspecified
- K74.3Primary biliary cirrhosis
- K74.4Secondary biliary cirrhosis
- K74.5Biliary cirrhosis, unspecified
- K74.60Unspecified cirrhosis of liver
- K74.69Other cirrhosis of liver
- K75.4Autoimmune hepatitis
- K76.6Portal hypertension
- K76.7Hepatorenal syndrome
- K76.81Hepatopulmonary syndrome
- K76.82Hepatic encephalopathy
- K83.01Primary sclerosing cholangitis
- K83.09Other cholangitis
- K83.1Obstruction of bile duct
- K86.0Alcohol-induced chronic pancreatitis
- K86.1Other chronic pancreatitis
- K91.850Pouchitis
- K91.858Other complications of intestinal pouch
- K94.00Colostomy complication, unspecified
- K94.01Colostomy hemorrhage
- K94.02Colostomy infection
- K94.03Colostomy malfunction
- K94.09Other complications of colostomy
- K94.10Enterostomy complication, unspecified
- K94.11Enterostomy hemorrhage
- K94.12Enterostomy infection
- K94.13Enterostomy malfunction
- K94.19Other complications of enterostomy
- K94.20Gastrostomy complication, unspecified
- K94.21Gastrostomy hemorrhage
- K94.22Gastrostomy infection
- K94.23Gastrostomy malfunction
- K94.29Other complications of gastrostomy
- K94.30Esophagostomy complications, unspecified
- K94.31Esophagostomy hemorrhage
- K94.32Esophagostomy infection
- K94.33Esophagostomy malfunction
- K94.39Other complications of esophagostomy
Frequently asked questions
How many ICD-10-CM codes in Diseases of the digestive system risk-adjust under CMS-HCC V28?
189 ICD-10-CM codes in the K00-K95 chapter (Diseases of the digestive system) map to a CMS-HCC V28 payment category for payment year 2026.
Which CMS-HCC V28 categories do K00-K95 codes map to?
Codes in this chapter map to 9 distinct CMS-HCC V28 categories, most commonly HCC 78 (Intestinal Obstruction/Perforation), HCC 81 (Ulcerative Colitis), HCC 80 (Crohn's Disease (Regional Enteritis)).
What ICD-10-CM chapter is K00-K95?
K00-K95 is ICD-10-CM Chapter 11, Diseases of the digestive system, in the FY2026 code set.
Source: FY2026 ICD-10-CM Tabular (CDC/NCHS) and the CMS-HCC v28 PY2026 mapping file.