A50.1
Early congenital syphilis, latent
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
A50-A64block
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
A50.1code
Inclusion terms
- Congenital syphilis without clinical manifestations, with positive serological reaction and negative spinal fluid test, less than two years after birth.
Index entries leading here 1
Alongside this code 8 same parent — A50
A50.0 Early congenital syphilis, symptomatic category A50.2 Early congenital syphilis, unspecified A50.3 Late congenital syphilitic oculopathy category A50.4 Late congenital neurosyphilis [juvenile neurosyphilis] category A50.5 Other late congenital syphilis, symptomatic category A50.6 Late congenital syphilis, latent A50.7 Late congenital syphilis, unspecified A50.9 Congenital syphilis, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.