ICD-10 A65
Billable / SpecificNonvenereal syphilis
About ICD-10-CM A65
ICD-10-CM code A65 represents Nonvenereal syphilis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A65). The 2026 edition of ICD-10-CM A65 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under A65. Per CMS ICD-10-CM Tabular 2026.
- Bejel
- Endemic syphilis
- Njovera
Medicare LCD Coverage for A65
Local Coverage Determinations (LCDs) from CMS MACs that list A65 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 A65.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but A65 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with A65
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 A65 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 |
|---|---|---|
| A65 | 1040 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A65
Other codes in section A65-A69 (Other spirochetal diseases).
ICD-10 A65, Billing FAQ
Is ICD-10 code A65 billable? +
Yes, A65 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 A65? +
ICD-10 A65 includes: Bejel; Endemic syphilis; Njovera.
What ICD-9 codes does A65 map to? +
Per CMS GEMs, A65 maps to ICD-9 codes: 1040. 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 June 1, 2026.
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