A51 | Early syphilis |
| Primary genital syphilis |
| Primary anal syphilis |
| Primary syphilis of other sites |
| Secondary syphilis of skin and mucous membranes |
| Condyloma latum |
| Syphilitic alopecia |
| Other secondary syphilis of skin |
| Other secondary syphilis |
| Secondary syphilitic meningitis |
| Secondary syphilitic female pelvic disease |
| Secondary syphilitic oculopathy |
| Secondary syphilitic nephritis |
| Secondary syphilitic hepatitis |
| Secondary syphilitic osteopathy |
| Other secondary syphilitic conditions |
| Early syphilis, latent |
| Early syphilis, unspecified |