C41.9 — Malignant neoplasm of bone and articular cartilage, unspecified
C41.9 is a billable, specific ICD-10-CM code for malignant neoplasm of bone and articular cartilage, unspecified. It is valid for submission on a claim.
Risk adjustment
C41.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 21 Lymphoma and Other Cancers0.671 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
C41.9 is named in 46 Medicare coverage policies — 46 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52399Billing and Coding: Denosumab (Prolia®, Xgeva®, Jubbonti®, Wyost®, Ospomyv™,Xbryk™,Bomyntra®, Conexxence®, Stoboclo®, Osenvelt®,Bildyos®, Bilprevda®)
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
How C41.9 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 C41.9.
- Osteitis›deformans›in›malignant neoplasm of bone(see also, Neoplasm, malignant, by site)
Related codes at this level
Codes that share C41. If C41.9 is not quite right, the correct code is usually one of these.
Questions about C41.9
- Is C41.9 a billable ICD-10-CM code?
- Yes. C41.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C41.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of bone and articular cartilage (C40-C41).