C74.9 — Malignant neoplasm of unspecified part of adrenal gland
C74.9 is a non-billable header ICD-10-CM code for malignant neoplasm of unspecified part of adrenal gland. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with C74.9
These codes carry an Excludes1 note pointing at C74.9. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C74.9 alone.
- C75Malignant neoplasm of other endocrine glands and related structures
Risk adjustment
C74.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code history
C74.9 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Code to one of these instead C74.9
3 child codes. Green means billable.
Related codes at this level
Codes that share C74. If C74.9 is not quite right, the correct code is usually one of these.
Questions about C74.9
- Is C74.9 a billable ICD-10-CM code?
- No. C74.9 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does C74.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of thyroid and other endocrine glands (C73-C75).