ICD-10 G25.3
Billable / SpecificMyoclonus
About ICD-10-CM G25.3
ICD-10-CM code G25.3 represents Myoclonus. This is a billable/specific code in the Nervous System chapter (block G25). The 2026 edition of ICD-10-CM G25.3 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under G25.3. Per CMS ICD-10-CM Tabular 2026.
- Drug-induced myoclonus
- Palatal myoclonus
Type 1 Excludes
Pure excludes, these codes can never be coded together with G25.3. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- facial myokymia (G51.4)
- myoclonic epilepsy (G40.-)
Use Additional Code
When coding G25.3, 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 G25.3
Local Coverage Determinations (LCDs) from CMS MACs that list G25.3 as a covered diagnosis.
Showing top 10 of 275 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G25.3.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with G25.3
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 95926 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 95925 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 95938 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 95927 CMS LCD: Billing and Coding: Somatosensory Testing CMS LCD
- 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
Convert G25.3 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 |
|---|---|---|
| G25.3 | 3332 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G25.3
Other codes in section G20-G26 (Extrapyramidal and movement disorders).
ICD-10 G25.3, Billing FAQ
Is ICD-10 code G25.3 billable? +
Yes, G25.3 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to G25.3? +
ICD-10 G25.3 includes: Drug-induced myoclonus; Palatal myoclonus.
What codes are Type 1 Excludes for G25.3? +
Type 1 Excludes (never code together with G25.3): facial myokymia (G51.4); myoclonic epilepsy (G40.-)
What CPT codes are commonly billed with G25.3? +
Procedures frequently paired with G25.3 include: 95926, 95925, 95938, 95927, 92571.
What ICD-9 codes does G25.3 map to? +
Per CMS GEMs, G25.3 maps to ICD-9 codes: 3332. 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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