MCMedicalCodingSoftware
A52.77

A52.77: Syphilis of bone and joint

Billable / specific codeICD-10-CM

A52.77 is a billable, specific ICD-10-CM code for syphilis of bone and joint. It is valid for submission on a claim.

Check A52.77 with the rest of the claim: free scrubber

Other codes that can never be billed with A52.77

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • H75.0Mastoiditis in infectious and parasitic diseases classified elsewhere
  • M02Postinfective and reactive arthropathies
  • M49Spondylopathies in diseases classified elsewhere
  • M90Osteopathies in diseases classified elsewhere

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Caries›syphilitic
  • Dactylitis›syphilitic
  • Exostosis›syphilitic
  • Gout, chronic›syphilitic
  • Gout, gouty›syphilitic
  • Gumma›bone
  • Hydrarthrosis›syphilitic(late)
  • Osteomyelitis›syphilitic
  • Periostitis›syphilitic
  • Syphilis, syphilitic›bone
  • Syphilis, syphilitic›destruction of bone
  • Syphilis, syphilitic›fracture

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A52.7

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.