C40
ICD-10Non-billable categoryMalignant neoplasm of bone and articular cartilage of limbs
Official ICD-10-CM descriptor (FY2026)
Malignant neoplasm of bone and articular cartilage of limbs
C40 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Use additional code
Report an additional code to identify the associated condition.
- code to identify major osseous defect, if applicable (M89.7-)
More specific codes under C40
- C40.0Malignant neoplasm of scapula and long bones of upper limbcategory
- C40.1Malignant neoplasm of short bones of upper limbcategory
- C40.2Malignant neoplasm of long bones of lower limbcategory
- C40.3Malignant neoplasm of short bones of lower limbcategory
- C40.8Malig neoplasm of ovrlp sites of bone/artic cartl of limbcategory
- C40.9Malignant neoplasm of unsp bones and artic cartilage of limbcategory
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.