A50 Congenital syphilis

Category / Non-billable header 37 subcodes

Block: Infections with a predominantly sexual mode of transmission (A50-A64)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
A50..0 Early congenital syphilis, symptomatic No
A50..01 Early congenital syphilitic oculopathy Yes
A50..02 Early congenital syphilitic osteochondropathy Yes
A50..03 Early congenital syphilitic pharyngitis Yes
A50..04 Early congenital syphilitic pneumonia Yes
A50..05 Early congenital syphilitic rhinitis Yes
A50..06 Early cutaneous congenital syphilis Yes
A50..07 Early mucocutaneous congenital syphilis Yes
A50..08 Early visceral congenital syphilis Yes
A50..09 Other early congenital syphilis, symptomatic Yes
A50..1 Early congenital syphilis, latent Yes
A50..2 Early congenital syphilis, unspecified Yes
A50..3 Late congenital syphilitic oculopathy No
A50..30 Late congenital syphilitic oculopathy, unspecified Yes
A50..31 Late congenital syphilitic interstitial keratitis Yes
A50..32 Late congenital syphilitic chorioretinitis Yes
A50..39 Other late congenital syphilitic oculopathy Yes
A50..4 Late congenital neurosyphilis [juvenile neurosyphilis] No
A50..40 Late congenital neurosyphilis, unspecified Yes
A50..41 Late congenital syphilitic meningitis Yes
A50..42 Late congenital syphilitic encephalitis Yes
A50..43 Late congenital syphilitic polyneuropathy Yes
A50..44 Late congenital syphilitic optic nerve atrophy Yes
A50..45 Juvenile general paresis Yes
A50..49 Other late congenital neurosyphilis Yes
A50..5 Other late congenital syphilis, symptomatic No
A50..51 Clutton's joints Yes
A50..52 Hutchinson's teeth Yes
A50..53 Hutchinson's triad Yes
A50..54 Late congenital cardiovascular syphilis Yes
A50..55 Late congenital syphilitic arthropathy Yes
A50..56 Late congenital syphilitic osteochondropathy Yes
A50..57 Syphilitic saddle nose Yes
A50..59 Other late congenital syphilis, symptomatic Yes
A50..6 Late congenital syphilis, latent Yes
A50..7 Late congenital syphilis, unspecified Yes
A50..9 Congenital syphilis, unspecified Yes

Last reviewed: September 2026