MCMedicalCodingSoftware
C76.50

C76.50: Malignant neoplasm of unspecified lower limb

Billable / specific codeICD-10-CMunspecified

C76.50 is a billable, specific ICD-10-CM code for malignant neoplasm of unspecified lower limb. It is valid for submission on a claim.

Check C76.50 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above C76.50

A category’s note binds every code beneath it.

Written on C76: Malignant neoplasm of other and ill-defined sites

  • malignant neoplasm of female genitourinary tract NOS (C57.9)
  • malignant neoplasm of male genitourinary tract NOS (C63.9)
  • malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)
  • malignant neoplasm of skin (C44.-)
  • malignant neoplasm of unspecified site NOS (C80.1)

Risk adjustment

C76.50 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 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

C76.50 is named in 29 Medicare coverage policies: 29 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A55717Billing and Coding: Lab: Flow Cytometry
  • A56748Billing and Coding: White Cell Colony Stimulating Factors
  • A56827Billing and Coding: Proton Beam Therapy
  • A56867Billing and Coding: Genomic Sequence Analysis Panels in the Treatment of Solid Organ Neoplasms

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under C76.5

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.