K00–K95: Diseases of the Digestive System
Chapter 11 of ICD-10-CM 2027, 1,117 codes in 10 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- 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)
Codes in this chapter
All codesBillable only1,117 results
- K59.01Slow transit constipation
- K59.02Outlet dysfunction constipation
- K59.03Drug induced constipation
- K59.04Chronic idiopathic constipation
- K59.09Other constipation
- K59.1Functional diarrhea
- K59.2Neurogenic bowel, not elsewhere classified
- K59.3Megacolon, not elsewhere classified
- K59.31Toxic megacolon
- K59.39Other megacolon
- K59.4Anal spasm
- K59.8Other specified functional intestinal disorders
- K59.81Ogilvie syndrome
- K59.89Other specified functional intestinal disorders
- K59.9Functional intestinal disorder, unspecified
- K60Fissure and fistula of anal and rectal regions
- K60.0Acute anal fissure
- K60.1Chronic anal fissure
- K60.2Anal fissure, unspecified
- K60.3Anal fistula
- K60.30Anal fistula, unspecified
- K60.31Anal fistula, simple
- K60.311Anal fistula, simple, initial
- K60.312Anal fistula, simple, persistent
- K60.313Anal fistula, simple, recurrent
- K60.319Anal fistula, simple, unspecified
- K60.32Anal fistula, complex
- K60.321Anal fistula, complex, initial
- K60.322Anal fistula, complex, persistent
- K60.323Anal fistula, complex, recurrent
- K60.329Anal fistula, complex, unspecified
- K60.4Rectal fistula
- K60.40Rectal fistula, unspecified
- K60.41Rectal fistula, simple
- K60.411Rectal fistula, simple, initial
- K60.412Rectal fistula, simple, persistent
- K60.413Rectal fistula, simple, recurrent
- K60.419Rectal fistula, simple, unspecified
- K60.42Rectal fistula, complex
- K60.421Rectal fistula, complex, initial
- K60.422Rectal fistula, complex, persistent
- K60.423Rectal fistula, complex, recurrent
- K60.429Rectal fistula, complex, unspecified
- K60.5Anorectal fistula
- K60.50Anorectal fistula, unspecified
- K60.51Anorectal fistula, simple
- K60.511Anorectal fistula, simple, initial
- K60.512Anorectal fistula, simple, persistent
- K60.513Anorectal fistula, simple, recurrent
- K60.519Anorectal fistula, simple, unspecified