C41

C41: Malignant neoplasm of bone and articular cartilage of other and unspecified sites

Non-billable headerICD-10-CM

C41 is a non-billable header ICD-10-CM code for malignant neoplasm of bone and articular cartilage of other and unspecified sites. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

malignant neoplasm of bones of limbs (C40.-)
malignant neoplasm of cartilage of ear (C49.0)
malignant neoplasm of cartilage of eyelid (C49.0)
malignant neoplasm of cartilage of larynx (C32.3)
malignant neoplasm of cartilage of limbs (C40.-)
malignant neoplasm of cartilage of nose (C30.0)

Other codes that can never be billed with C41

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

C30.0Malignant neoplasm of nasal cavity
C30.1Malignant neoplasm of middle ear
C41.2Malignant neoplasm of vertebral column
C49Malignant neoplasm of other connective and soft tissue
C69.6Malignant neoplasm of orbit

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 C41

6 child codes. Green means billable.