Is C40.9 a billable code?
No. C40.9 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
C40.9: Malignant neoplasm of unspecified bones and articular cartilage of limb
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
C40.9 groups related diagnoses under malignant neoplasm of unspecified bones and articular cartilage of limb. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under C40.9
- 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
Other codes in C40 Malignant neoplasm of bone and articular cartilage of limbs
- C40.0Malignant neoplasm of scapula and long bones of upper limbheader
- C40.1Malignant neoplasm of short bones of upper limbheader
- C40.2Malignant neoplasm of long bones of lower limbheader
- C40.3Malignant neoplasm of short bones of lower limbheader
- C40.8Malignant neoplasm of overlapping sites of bone and articular cartilage of limbheader
C40.9 questions
What does C40.9 mean?
C40.9 is the ICD-10-CM code for Malignant neoplasm of unspecified bones and articular cartilage of limb. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.