| D49 | Neoplasms of unspecified behavior | NON-BILLABLE CODE |
| D49.0 | Neoplasm of unspecified behavior of digestive system | BILLABLE CODE |
| D49.1 | Neoplasm of unspecified behavior of respiratory system | BILLABLE CODE |
| D49.2 | Neoplasm of unspecified behavior of bone, soft tissue, and skin | BILLABLE CODE |
| D49.3 | Neoplasm of unspecified behavior of breast | BILLABLE CODE |
| D49.4 | Neoplasm of unspecified behavior of bladder | BILLABLE CODE |
| D49.5 | Neoplasm of unspecified behavior of other genitourinary organs | NON-BILLABLE CODE |
| D49.51 | Neoplasm of unspecified behavior of kidney | NON-BILLABLE CODE |
| D49.511 | Neoplasm of unspecified behavior of right kidney | BILLABLE CODE |
| D49.512 | Neoplasm of unspecified behavior of left kidney | BILLABLE CODE |
| D49.59 | Neoplasm of unspecified behavior of other genitourinary organ | BILLABLE CODE |
| D49.6 | Neoplasm of unspecified behavior of brain | BILLABLE CODE |
| D49.7 | Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system | BILLABLE CODE |
| D49.8 | Neoplasm of unspecified behavior of other specified sites | NON-BILLABLE CODE |
| D49.81 | Neoplasm of unspecified behavior of retina and choroid | BILLABLE CODE |
| D49.89 | Neoplasm of unspecified behavior of other specified sites | BILLABLE CODE |
| D49.9 | Neoplasm of unspecified behavior of unspecified site | BILLABLE CODE |
