C40.20
C40.20 — Malignant neoplasm of long bones of unspecified lower limb
Billable / specific codeICD-10-CMunspecified
C40.20 is a billable, specific ICD-10-CM code for malignant neoplasm of long bones of unspecified lower limb. It is valid for submission on a claim.
Risk adjustment
C40.20 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
C40.20 is named in 43 Medicare coverage policies — 43 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
Related codes at this level
Codes that share C40.2. If C40.20 is not quite right, the correct code is usually one of these.
Questions about C40.20
- Is C40.20 a billable ICD-10-CM code?
- Yes. C40.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C40.20 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of bone and articular cartilage (C40-C41).