ICD-10 A00
Non-Billable HeaderCholera
About ICD-10-CM A00
ICD-10-CM code A00 represents Cholera. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block A00). The 2026 edition of ICD-10-CM A00 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.
Medicare LCD Coverage for A00
Local Coverage Determinations (LCDs) from CMS MACs that list A00 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 A00.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but A00 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with A00
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 A00
Other codes in section A00-A09 (Intestinal infectious diseases).
ICD-10 A00, Billing FAQ
Is ICD-10 code A00 billable? +
No, A00 is a non-billable header code. Use a more specific child code from block A00 when submitting claims.
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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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