1. K58 Irritable bowel syndrome

    Includes:

    • irritable colon
    • spastic colon
    1. K58.0 Irritable bowel syndrome with diarrhea

    2. K58.1 Irritable bowel syndrome with constipation

    3. K58.2 Mixed irritable bowel syndrome

    4. K58.8 Other irritable bowel syndrome

    5. K58.9 Irritable bowel syndrome without diarrhea

      Inclusion term(s):

      • Irritable bowel syndrome NOS
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.