ICD-10 G25.4
Billable / SpecificDrug-induced chorea
About ICD-10-CM G25.4
ICD-10-CM code G25.4 represents Drug-induced chorea. This is a billable/specific code in the Nervous System chapter (block G25). The 2026 edition of ICD-10-CM G25.4 became effective on October 1, 2025.
Use Additional Code
When coding G25.4, also report these additional codes when applicable.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Medicare LCD Coverage for G25.4
Local Coverage Determinations (LCDs) from CMS MACs that list G25.4 as a covered diagnosis.
Showing top 10 of 109 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G25.4.
5 Medicare
CPT Codes Commonly Billed with G25.4
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 92571 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92568 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92620 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92588 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92572 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92579 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92582 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92576 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92621 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
- 92570 CMS LCD: Billing and Coding: Vestibular and Audiologic Function Studies CMS LCD
Convert G25.4 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 |
|---|---|---|
| G25.4 | 3335 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G25.4
Other codes in section G20-G26 (Extrapyramidal and movement disorders).
ICD-10 G25.4, Billing FAQ
Is ICD-10 code G25.4 billable? +
Yes, G25.4 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with G25.4? +
Procedures frequently paired with G25.4 include: 92571, 92568, 92620, 92588, 92572.
What ICD-9 codes does G25.4 map to? +
Per CMS GEMs, G25.4 maps to ICD-9 codes: 3335. 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 May 31, 2026.
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