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. D41 Neoplasm of uncertain behavior of urinary organs

    1. D41.0 Neoplasm of uncertain behavior of kidney

      1. D41.00 Neoplasm of uncertain behavior of unspecified kidney

      2. D41.01 Neoplasm of uncertain behavior of right kidney

      3. D41.02 Neoplasm of uncertain behavior of left kidney

    2. D41.1 Neoplasm of uncertain behavior of renal pelvis

      1. D41.10 Neoplasm of uncertain behavior of unspecified renal pelvis

      2. D41.11 Neoplasm of uncertain behavior of right renal pelvis

      3. D41.12 Neoplasm of uncertain behavior of left renal pelvis

    3. D41.2 Neoplasm of uncertain behavior of ureter

      1. D41.20 Neoplasm of uncertain behavior of unspecified ureter

      2. D41.21 Neoplasm of uncertain behavior of right ureter

      3. D41.22 Neoplasm of uncertain behavior of left ureter

    4. D41.3 Neoplasm of uncertain behavior of urethra

    5. D41.4 Neoplasm of uncertain behavior of bladder

    6. D41.8 Neoplasm of uncertain behavior of other specified urinary organs

    7. D41.9 Neoplasm of uncertain behavior of unspecified urinary organ

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.