Neoplasms of unspecified behavior

**Includes:** - 'growth' NOS - neoplasm NOS - new growth NOS - tumor NOS

**Notes:** - Category D49 classifies by site neoplasms of unspecified morphology and behavior. The term 'mass', unless otherwise stated, is not to be regarded as a neoplastic growth.

**Excludes1:** - neoplasms of uncertain behavior (D37-D44, D48)