ICD-10 G52
Non-Billable HeaderDisorders of other cranial nerves
About ICD-10-CM G52
ICD-10-CM code G52 represents Disorders of other cranial nerves. This is a non-billable header code in the Nervous System chapter (block G52). The 2026 edition of ICD-10-CM G52 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 2 Excludes
Not included here, the excluded code is not part of G52, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- disorders of acoustic [8th] nerve (H93.3)
- disorders of optic [2nd] nerve (H46, H47.0)
- paralytic strabismus due to nerve palsy (H49.0-H49.2)
Medicare LCD Coverage for G52
Local Coverage Determinations (LCDs) from CMS MACs that list G52 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 G52.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but G52 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with G52
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 G52
Other codes in section G50-G59 (Nerve, nerve root and plexus disorders).
ICD-10 G52, Billing FAQ
Is ICD-10 code G52 billable? +
No, G52 is a non-billable header code. Use a more specific child code from block G52 when submitting claims.
What codes are Type 2 Excludes for G52? +
Type 2 Excludes (may be coded together when both conditions exist): disorders of acoustic [8th] nerve (H93.3); disorders of optic [2nd] nerve (H46, H47.0); paralytic strabismus due to nerve palsy (H49.0-H49.2)
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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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