1. K38 Other diseases of appendix

    1. K38.0 Hyperplasia of appendix

    2. K38.1 Appendicular concretions

      Inclusion term(s):

      • Fecalith of appendix
      • Stercolith of appendix
    3. K38.2 Diverticulum of appendix

    4. K38.3 Fistula of appendix

    5. K38.8 Other specified diseases of appendix

      Inclusion term(s):

      • Intussusception of appendix
    6. K38.9 Disease of appendix, unspecified

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.