Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.

Excludes1

  • neoplasms of unspecified behavior (D49.-)
  1. D40 Neoplasm of uncertain behavior of male genital organs

    1. D40.0 Neoplasm of uncertain behavior of prostate

    2. D40.1 Neoplasm of uncertain behavior of testis

      1. D40.10 Neoplasm of uncertain behavior of unspecified testis

      2. D40.11 Neoplasm of uncertain behavior of right testis

      3. D40.12 Neoplasm of uncertain behavior of left testis

    3. D40.8 Neoplasm of uncertain behavior of other specified male genital organs

      Inclusion term(s):

      • Neoplasm of uncertain behavior of skin of male genital organs
    4. D40.9 Neoplasm of uncertain behavior of male genital organ, 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.