ICD-10 G51
Non-Billable HeaderFacial nerve disorders
About ICD-10-CM G51
ICD-10-CM code G51 represents Facial nerve disorders. This is a non-billable header code in the Nervous System chapter (block G51). The 2026 edition of ICD-10-CM G51 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.
Includes
- disorders of 7th cranial nerve
Medicare LCD Coverage for G51
Local Coverage Determinations (LCDs) from CMS MACs that list G51 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 G51.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but G51 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with G51
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 G51
Other codes in section G50-G59 (Nerve, nerve root and plexus disorders).
ICD-10 G51, Billing FAQ
Is ICD-10 code G51 billable? +
No, G51 is a non-billable header code. Use a more specific child code from block G51 when submitting claims.
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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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