ICD-10 G92
Non-Billable HeaderToxic encephalopathy
About ICD-10-CM G92
ICD-10-CM code G92 represents Toxic encephalopathy. This is a non-billable header code in the Nervous System chapter (block G92). The 2026 edition of ICD-10-CM G92 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.
Medicare LCD Coverage for G92
Local Coverage Determinations (LCDs) from CMS MACs that list G92 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 G92.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but G92 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with G92
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.
Convert G92 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| G92 | 32371 | 10000 |
| G92 | 32372 | 10000 |
| G92 | 34982 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G92
Other codes in section G89-G99 (Other disorders of the nervous system).
ICD-10 G92, Billing FAQ
Is ICD-10 code G92 billable? +
No, G92 is a non-billable header code. Use a more specific child code from block G92 when submitting claims.
What ICD-9 codes does G92 map to? +
Per CMS GEMs, G92 maps to ICD-9 codes: 32371, 32372, 34982. Useful for legacy data review and historical claim analysis.
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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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