1. L91 Hypertrophic disorders of skin

    1. L91.0 Hypertrophic scar

      Inclusion term(s):

      • Keloid
      • Keloid scar
    2. L91.8 Other hypertrophic disorders of the skin

    3. L91.9 Hypertrophic disorder of the skin, 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.