ICD-10 B94.1
Billable / SpecificSequelae of viral encephalitis
About ICD-10-CM B94.1
ICD-10-CM code B94.1 represents Sequelae of viral encephalitis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B94). The 2026 edition of ICD-10-CM B94.1 became effective on October 1, 2025.
Medicare LCD Coverage for B94.1
Local Coverage Determinations (LCDs) from CMS MACs that list B94.1 as a covered diagnosis.
Showing top 10 of 51 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B94.1.
1 Cigna
3 Medicare
CPT Codes Commonly Billed with B94.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 95708 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95721 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95719 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95813 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95822 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95717 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95812 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95700 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
- 95705 CMS LCD: Billing and Coding: Special Electroencephalography CMS LCD
Convert B94.1 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 |
|---|---|---|
| B94.1 | 1390 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B94.1
Other codes in section B90-B94 (Sequelae of infectious and parasitic diseases).
ICD-10 B94.1, Billing FAQ
Is ICD-10 code B94.1 billable? +
Yes, B94.1 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 B94.1? +
Procedures frequently paired with B94.1 include: 95708, 95721, 95719, 95813, 95822.
What ICD-9 codes does B94.1 map to? +
Per CMS GEMs, B94.1 maps to ICD-9 codes: 1390. 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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