ICD-10 B08.4
Billable / SpecificEnteroviral vesicular stomatitis with exanthem
About ICD-10-CM B08.4
ICD-10-CM code B08.4 represents Enteroviral vesicular stomatitis with exanthem. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B08). The 2026 edition of ICD-10-CM B08.4 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under B08.4. Per CMS ICD-10-CM Tabular 2026.
- Hand, foot and mouth disease
Medicare LCD Coverage for B08.4
Local Coverage Determinations (LCDs) from CMS MACs that list B08.4 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 B08.4.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B08.4 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B08.4
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 B08.4 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 |
|---|---|---|
| B08.4 | 0743 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B08.4
Other codes in section B00-B09 (Viral infections characterized by skin and mucous membrane lesions).
ICD-10 B08.4, Billing FAQ
Is ICD-10 code B08.4 billable? +
Yes, B08.4 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 B08.4? +
ICD-10 B08.4 includes: Hand, foot and mouth disease.
What ICD-9 codes does B08.4 map to? +
Per CMS GEMs, B08.4 maps to ICD-9 codes: 0743. 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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