MCMedicalCodingSoftware
A52

A52: Late syphilis

Non-billable headerICD-10-CM

A52 is a non-billable header ICD-10-CM code for late syphilis. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with A52

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

  • D77Other disorders of blood and blood-forming organs in diseases classified elsewhere
  • E35Disorders of endocrine glands in diseases classified elsewhere
  • G01Meningitis in bacterial diseases classified elsewhere
  • G21Secondary parkinsonism
  • G32.0Subacute combined degeneration of spinal cord in diseases classified elsewhere
  • G53Cranial nerve disorders in diseases classified elsewhere
  • G59Mononeuropathy in diseases classified elsewhere
  • G94Other disorders of brain in diseases classified elsewhere

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead A52

7 child codes. Green means billable.

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.