1. K60 Fissure and fistula of anal and rectal regions

    1. K60.0 Acute anal fissure

    2. K60.1 Chronic anal fissure

    3. K60.2 Anal fissure, unspecified

    4. K60.3 Anal fistula

    5. K60.4 Rectal fistula

      Inclusion term(s):

      • Fistula of rectum to skin
    6. K60.5 Anorectal fistula

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.