ICD-10-CM category
C40 Malignant neoplasm of bone and articular cartilage of limbs
C40 is a category, not a billable code. Report one of the 18 complete codes below.
Codes in C40
- C40.00Malignant neoplasm of scapula and long bones of unspecified upper limb
- C40.01Malignant neoplasm of scapula and long bones of right upper limb
- C40.02Malignant neoplasm of scapula and long bones of left upper limb
- C40.10Malignant neoplasm of short bones of unspecified upper limb
- C40.11Malignant neoplasm of short bones of right upper limb
- C40.12Malignant neoplasm of short bones of left upper limb
- C40.20Malignant neoplasm of long bones of unspecified lower limb
- C40.21Malignant neoplasm of long bones of right lower limb
- C40.22Malignant neoplasm of long bones of left lower limb
- C40.30Malignant neoplasm of short bones of unspecified lower limb
- C40.31Malignant neoplasm of short bones of right lower limb
- C40.32Malignant neoplasm of short bones of left lower limb
- C40.80Malignant neoplasm of overlapping sites of bone and articular cartilage of unspecified limb
- C40.81Malignant neoplasm of overlapping sites of bone and articular cartilage of right limb
- C40.82Malignant neoplasm of overlapping sites of bone and articular cartilage of left limb
- C40.90Malignant neoplasm of unspecified bones and articular cartilage of unspecified limb
- C40.91Malignant neoplasm of unspecified bones and articular cartilage of right limb
- C40.92Malignant neoplasm of unspecified bones and articular cartilage of left limb
Outside the US? C40 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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