C49.20: Malignant neoplasm of connective and soft tissue of unspecified lower limb, including hip
C49.20 is a billable, specific ICD-10-CM code for malignant neoplasm of connective and soft tissue of unspecified lower limb, including hip. It is valid for submission on a claim.
Check C49.20 with the rest of the claim: free scrubberExcludes1 inherited from the categories above C49.20
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above C49.20
Not part of this code, but both may be coded when both are present.
Written on C49: Malignant neoplasm of other connective and soft tissue
- Kaposi's sarcoma of soft tissue (C46.1)
- malignant neoplasm of heart (C38.0)
- malignant neoplasm of peripheral nerves and autonomic nervous system (C47.-)
- malignant neoplasm of peritoneum (C48.2)
- malignant neoplasm of retroperitoneum (C48.0)
- malignant neoplasm of uterine ligament (C57.3)
- mesothelioma (C45.-)
Risk adjustment
C49.20 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C49.20 is named in 42 Medicare coverage policies: 42 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52370Billing and Coding: Bevacizumab and biosimilars
- A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
- A52479Oral Anticancer Drugs - Policy Article
- A55717Billing and Coding: Lab: Flow Cytometry
Code history
Unchanged in every release from FY2024 to FY2027.