C76.50 Malignant neoplasm of unspecified lower limb

Billable ICD-10-CM code, FY2026.

Applies from C76 Malignant neoplasm of other and ill-defined sites

Excludes1 (never code together)

• 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 (HCC)

• CMS-HCC V28: HCC 23 — Prostate, Breast, and Other Cancers and Tumors
• CMS-HCC V22: HCC 12 — Breast, Prostate, and Other Cancers and Tumors
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 12

MS-DRG index

Defines the logic of DRG(s) 826-828 in MDC 17.

Approximate ICD-9-CM (GEMs)

• 195.5 Malignant neoplasm of lower limb (approximate)

Nearby codes

• C76.4 Malignant neoplasm of upper limb
• C76.40 Malignant neoplasm of unspecified upper limb
• C76.41 Malignant neoplasm of right upper limb
• C76.42 Malignant neoplasm of left upper limb
• C76.5 Malignant neoplasm of lower limb
• C76.50 Malignant neoplasm of unspecified lower limb (this code)
• C76.51 Malignant neoplasm of right lower limb
• C76.52 Malignant neoplasm of left lower limb
• C76.8 Malignant neoplasm of other specified ill-defined sites