MCMedicalCodingSoftware
A50.6

A50.6: Late congenital syphilis, latent

Billable / specific codeICD-10-CM

A50.6 is a billable, specific ICD-10-CM code for late congenital syphilis, latent. It is valid for submission on a claim.

Check A50.6 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Congenital syphilis without clinical manifestations, with positive serological reaction and negative spinal fluid test, two years or more after birth.

Risk adjustment

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

Alphabetic index entries that lead here

  • Syphilis, syphilitic›congenital›late, or 2 years or more after birth NEC›latent(without manifestations)
  • Syphilis, syphilitic›congenital›late, or 2 years or more after birth NEC›latent›negative spinal fluid test
  • Syphilis, syphilitic›congenital›late, or 2 years or more after birth NEC›latent›serology positive

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A50

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.