ICD-10 A63
Non-Billable HeaderOther predominantly sexually transmitted diseases, not elsewhere classified
About ICD-10-CM A63
ICD-10-CM code A63 represents Other predominantly sexually transmitted diseases, not elsewhere classified. This is a non-billable header code in the Infectious and Parasitic Diseases chapter (block A63). The 2026 edition of ICD-10-CM A63 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 2 Excludes
Not included here, the excluded code is not part of A63, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- molluscum contagiosum (B08.1)
- papilloma of cervix (D26.0)
Medicare LCD Coverage for A63
Local Coverage Determinations (LCDs) from CMS MACs that list A63 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 A63.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but A63 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with A63
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 A63
Other codes in section A50-A64 (Infections with a predominantly sexual mode of transmission).
ICD-10 A63, Billing FAQ
Is ICD-10 code A63 billable? +
No, A63 is a non-billable header code. Use a more specific child code from block A63 when submitting claims.
What codes are Type 2 Excludes for A63? +
Type 2 Excludes (may be coded together when both conditions exist): molluscum contagiosum (B08.1); papilloma of cervix (D26.0)
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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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