ICD-10 C41
Non-Billable HeaderMalignant neoplasm of bone and articular cartilage of other and unspecified sites
About ICD-10-CM C41
ICD-10-CM code C41 represents Malignant neoplasm of bone and articular cartilage of other and unspecified sites. This is a non-billable header code in the Neoplasms chapter (block C41). The 2026 edition of ICD-10-CM C41 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with C41. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- 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)
Medicare LCD Coverage for C41
Local Coverage Determinations (LCDs) from CMS MACs that list C41 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C41.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but C41 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with C41
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To C41
Other codes in section C40-C41 (Malignant neoplasms of bone and articular cartilage).
ICD-10 C41, Billing FAQ
Is ICD-10 code C41 billable? +
No, C41 is a non-billable header code. Use a more specific child code from block C41 when submitting claims.
What codes are Type 1 Excludes for C41? +
Type 1 Excludes (never code together with C41): malignant neoplasm of bones of limbs (C40.-); malignant neoplasm of cartilage of ear (C49.0); malignant neoplasm of cartilage of eyelid (C49.0)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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