C40

C40: Malignant neoplasm of bone and articular cartilage of limbs

Non-billable headerICD-10-CM

C40 is a non-billable header ICD-10-CM code for malignant neoplasm of bone and articular cartilage of limbs. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

code to identify major osseous defect, if applicable (M89.7-)

Other codes that can never be billed with C40

Their own Excludes1 notes name this code, so the conflict is not listed above.

C41Malignant neoplasm of bone and articular cartilage of other and unspecified sites
C49Malignant neoplasm of other connective and soft tissue

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead C40

6 child codes. Green means billable.

C40.0Malignant neoplasm of scapula and long bones of upper limb
C40.1Malignant neoplasm of short bones of upper limb
C40.2Malignant neoplasm of long bones of lower limb
C40.3Malignant neoplasm of short bones of lower limb
C40.8Malignant neoplasm of overlapping sites of bone and articular cartilage of limb
C40.9Malignant neoplasm of unspecified bones and articular cartilage of limb