D49.89 — Neoplasm of unspecified behavior of other specified sites
D49.89 is a billable, specific ICD-10-CM code for neoplasm of unspecified behavior of other specified sites. It is valid for submission on a claim.
Excludes1 inherited from the categories above D49.89
These are not written on D49.89, but they bind it: a note on a category applies to every code beneath it. Billing D49.89 with anything listed here is a denial.
Written on D49.8 — Neoplasm of unspecified behavior of other specified sites
Excludes2 inherited from the categories above D49.89
Also inherited, and the opposite of Excludes1: these conditions are not part of D49.89, but a patient can have both, so you may code both.
Other codes that can never be billed with D49.89
These codes carry an Excludes1 note pointing at D49.89. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D49.89 alone.
- D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin
Risk adjustment
D49.89 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.
Medicare coverage
D49.89 is named in 29 Medicare coverage policies — 29 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
- A52868Billing and Coding: Transesophageal Echocardiography (TEE)
- A52986Billing and Coding: Biomarkers for Oncology
- A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
How D49.89 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D49.89.
- Osteitis›deformans›in›neoplastic disease›multiple sites
Code history
D49.89 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share D49.8. If D49.89 is not quite right, the correct code is usually one of these.
Questions about D49.89
- Is D49.89 a billable ICD-10-CM code?
- Yes. D49.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D49.89 sit in the tabular list?
- Neoplasms (C00-D49), in the block Neoplasms of unspecified behavior (D49).
- What cannot be coded together with D49.89?
- D49.89 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above D49.89 (D49.8) and apply to it just the same.