C40.2 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
C40.20
Malignant neoplasm of long bones of unspecified lower limb
Billable
10
C40.21
Malignant neoplasm of long bones of right lower limb
Billable
10
C40.22
Malignant neoplasm of long bones of left lower limb
Billable