A51.4Non-Billable (Header)Other secondary syphilisChild CodesA51.41Secondary syphilitic meningitisA51.42Secondary syphilitic female pelvic diseaseA51.43Secondary syphilitic oculopathyA51.44Secondary syphilitic nephritisA51.45Secondary syphilitic hepatitisA51.46Secondary syphilitic osteopathyA51.49Other secondary syphilitic conditionsCode Hierarchy└A51Early syphilis└A51.4Other secondary syphilis└A51.4Other secondary syphilis