A51.1
A51.1: Primary anal syphilis
Billable / specific codeICD-10-CM
A51.1 is a billable, specific ICD-10-CM code for primary anal syphilis. It is valid for submission on a claim.
Check A51.1 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
A51.1 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58747Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58761Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
Alphabetic index entries that lead here
- Induration, indurated›chancre›anus
- Syphilis, syphilitic›anus›primary
- Syphilis, syphilitic›primary›anal
Code history
Unchanged in every release from FY2024 to FY2027.