ICD-10-CM · Chapter 2 · C00-D49
D49 Neoplasms of unspecified behavior
Includes
- 'growth' NOS
- neoplasm NOS
- new growth NOS
- tumor NOS
Excludes 2 (not included here)
- neoplasms of uncertain behavior (D37-D44, D48)
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.
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| D49..0 | Neoplasm of unspecified behavior of digestive system | Yes |
| D49..1 | Neoplasm of unspecified behavior of respiratory system | Yes |
| D49..2 | Neoplasm of unspecified behavior of bone, soft tissue, and skin | Yes |
| D49..3 | Neoplasm of unspecified behavior of breast | Yes |
| D49..4 | Neoplasm of unspecified behavior of bladder | Yes |
| D49..5 | Neoplasm of unspecified behavior of other genitourinary organs | No |
| D49..51 | Neoplasm of unspecified behavior of kidney | No |
| D49..511 | Neoplasm of unspecified behavior of right kidney | Yes |
| D49..512 | Neoplasm of unspecified behavior of left kidney | Yes |
| D49..519 | Neoplasm of unspecified behavior of unspecified kidney | Yes |
| D49..59 | Neoplasm of unspecified behavior of other genitourinary organ | Yes |
| D49..6 | Neoplasm of unspecified behavior of brain | Yes |
| D49..7 | Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system | Yes |
| D49..8 | Neoplasm of unspecified behavior of other specified sites | No |
| D49..81 | Neoplasm of unspecified behavior of retina and choroid | Yes |
| D49..89 | Neoplasm of unspecified behavior of other specified sites | Yes |
| D49..9 | Neoplasm of unspecified behavior of unspecified site | Yes |
Last reviewed: September 2026