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. D39 Neoplasm of uncertain behavior of female genital organs

    1. D39.0 Neoplasm of uncertain behavior of uterus

    2. D39.1 Neoplasm of uncertain behavior of ovary

      1. D39.10 Neoplasm of uncertain behavior of unspecified ovary

      2. D39.11 Neoplasm of uncertain behavior of right ovary

      3. D39.12 Neoplasm of uncertain behavior of left ovary

    3. D39.2 Neoplasm of uncertain behavior of placenta

      Inclusion term(s):

      • Chorioadenoma destruens
      • Invasive hydatidiform mole
      • Malignant hydatidiform mole
    4. D39.8 Neoplasm of uncertain behavior of other specified female genital organs

      Inclusion term(s):

      • Neoplasm of uncertain behavior of skin of female genital organs
    5. D39.9 Neoplasm of uncertain behavior of female 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.