ICD-10 B37
Non-Billable HeaderCandidiasis
About ICD-10-CM B37
ICD-10-CM code B37 represents Candidiasis. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block B37). The 2026 edition of ICD-10-CM B37 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.
Type 1 Excludes
Pure excludes, these codes can never be coded together with B37. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- neonatal candidiasis (P37.5)
Includes
- candidosis
- moniliasis
Medicare LCD Coverage for B37
Local Coverage Determinations (LCDs) from CMS MACs that list B37 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 B37.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B37 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B37
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.
Codes Adjacent To B37
Other codes in section B35-B49 (Mycoses).
ICD-10 B37, Billing FAQ
Is ICD-10 code B37 billable? +
No, B37 is a non-billable header code. Use a more specific child code from block B37 when submitting claims.
What codes are Type 1 Excludes for B37? +
Type 1 Excludes (never code together with B37): neonatal candidiasis (P37.5)
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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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