| A50 | Congenital syphilis | NON-BILLABLE CODE |
| A50.0 | Early congenital syphilis, symptomatic | NON-BILLABLE CODE |
| A50.02 | Early congenital syphilitic osteochondropathy | BILLABLE CODE |
| A50.03 | Early congenital syphilitic pharyngitis | BILLABLE CODE |
| A50.04 | Early congenital syphilitic pneumonia | BILLABLE CODE |
| A50.05 | Early congenital syphilitic rhinitis | BILLABLE CODE |
| A50.06 | Early cutaneous congenital syphilis | BILLABLE CODE |
| A50.07 | Early mucocutaneous congenital syphilis | BILLABLE CODE |
| A50.08 | Early visceral congenital syphilis | BILLABLE CODE |
| A50.09 | Other early congenital syphilis, symptomatic | BILLABLE CODE |
| A50.1 | Early congenital syphilis, latent | BILLABLE CODE |
| A50.2 | Early congenital syphilis, unspecified | BILLABLE CODE |
| A50.3 | Late congenital syphilitic oculopathy | NON-BILLABLE CODE |
| A50.30 | Late congenital syphilitic oculopathy, unspecified | BILLABLE CODE |
| A50.31 | Late congenital syphilitic interstitial keratitis | BILLABLE CODE |
| A50.32 | Late congenital syphilitic chorioretinitis | BILLABLE CODE |
| A50.39 | Other late congenital syphilitic oculopathy | BILLABLE CODE |
| A50.4 | Late congenital neurosyphilis [juvenile neurosyphilis] | NON-BILLABLE CODE |
| A50.40 | Late congenital neurosyphilis, unspecified | BILLABLE CODE |
| A50.41 | Late congenital syphilitic meningitis | BILLABLE CODE |
| A50.42 | Late congenital syphilitic encephalitis | BILLABLE CODE |
| A50.43 | Late congenital syphilitic polyneuropathy | BILLABLE CODE |
| A50.44 | Late congenital syphilitic optic nerve atrophy | BILLABLE CODE |
| A50.45 | Juvenile general paresis | BILLABLE CODE |
| A50.49 | Other late congenital neurosyphilis | BILLABLE CODE |
| A50.5 | Other late congenital syphilis, symptomatic | NON-BILLABLE CODE |
| A50.51 | Clutton's joints | BILLABLE CODE |
| A50.52 | Hutchinson's teeth | BILLABLE CODE |
| A50.53 | Hutchinson's triad | BILLABLE CODE |
| A50.54 | Late congenital cardiovascular syphilis | BILLABLE CODE |
| A50.55 | Late congenital syphilitic arthropathy | BILLABLE CODE |
| A50.56 | Late congenital syphilitic osteochondropathy | BILLABLE CODE |
| A50.57 | Syphilitic saddle nose | BILLABLE CODE |
| A50.59 | Other late congenital syphilis, symptomatic | BILLABLE CODE |
| A50.6 | Late congenital syphilis, latent | BILLABLE CODE |
| A50.7 | Late congenital syphilis, unspecified | BILLABLE CODE |
| A50.9 | Congenital syphilis, unspecified | BILLABLE CODE |
