ICDcodes.org
FY2027

C41Malignant neoplasm of bone and articular cartilage of other and unspecified sites

Not billable

Is C41 billable?

No — C41 is a non-billable header code. C41 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath C41.

C41 at a glance

CodeC41
DescriptionMalignant neoplasm of bone and articular cartilage of other and unspecified sites
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Excludes1 — never code together

The conditions below can never be reported together with C41 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • 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)

Excludes1 — never code together — inherited from C40-C41

The conditions below can never be reported together with C41 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • malignant neoplasm of bone marrow NOS (C96.9)
  • malignant neoplasm of synovia (C49.-)

What codes fall under C41? (6)

How long has C41 existed?

C41 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with C41?

ICD-10-CM declares these codes mutually exclusive with C41 — exactly one of each pair can be correct for a given encounter.