Diseases of the digestive system (K00–K95) ICD-10-CM
Chapter 11 of the ICD-10-CM classification spans codes K00–K95 and contains 1,117 diagnosis codes for diseases of the digestive system, of which 863 are billable. The chapter is organized into 10 sections listed below, each linking to its code ranges and individual codes.
Chapter Coding Notes
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)
Sections in This Chapter 10 ranges · 1,117 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About Chapter 11
These diseases affect the mouth, digestive tract, liver, gallbladder, bile passages, pancreas, and surrounding abdominal tissues.
The blocks begin with diseases of the mouth and salivary glands, then the food pipe, stomach, upper small intestine, and appendix. Separate blocks cover hernias, noninfectious intestinal inflammation, and other intestinal diseases.
The remaining blocks group diseases of the abdominal lining and the area behind it, liver diseases, and gallbladder, bile passage, and pancreatic disorders. The last block contains other digestive system diseases.
FY 2027 changes: The FY 2027 ICD-10-CM update, effective October 1, 2026, added 6 codes in this chapter.
Questions About This Page
How many codes are in the K00-K95 range?
The K00-K95 range contains 1,117 ICD-10-CM diagnosis codes in FY 2027. 863 of them are billable, and the rest are category headers that organize the chapter.
What conditions does K00-K95 cover?
The range covers diseases of the digestive system. The sections listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
