MCMedicalCodingSoftware
A52.13

A52.13: Late syphilitic meningitis

Billable / specific codeICD-10-CM

A52.13 is a billable, specific ICD-10-CM code for late syphilitic meningitis. It is valid for submission on a claim.

Check A52.13 with the rest of the claim: free scrubber

Other codes that can never be billed with A52.13

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

  • G01Meningitis in bacterial diseases classified elsewhere

Risk adjustment

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

Medicare coverage

A52.13 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52996Billing and Coding: Routine Foot Care
  • A56232Billing and Coding: Foot Care
  • A56680Billing and Coding: Routine Foot Care
  • A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)

Alphabetic index entries that lead here

  • Meningitis›syphilitic(late) (tertiary)
  • Neurosyphilis›arachnoid(adhesive)
  • Neurosyphilis›dura(mater)
  • Neurosyphilis›leptomeninges(aseptic)
  • Neurosyphilis›meningeal, meninges(adhesive)
  • Neurosyphilis›meningitis
  • Neurosyphilis›meningovascular(diffuse)
  • Syphilis, syphilitic›arachnoid(adhesive) (cerebral) (spinal)
  • Syphilis, syphilitic›dura mater
  • Syphilis, syphilitic›meninges(adhesive) (brain) (spinal cord)
  • Syphilis, syphilitic›meningitis
  • Syphilis, syphilitic›meningovascular

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A52.1

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.