A50

Congenital syphilis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
A50.0	Early congenital syphilis, symptomatic	Category
A50.01	Early congenital syphilitic oculopathy	Billable
A50.02	Early congenital syphilitic osteochondropathy	Billable
A50.03	Early congenital syphilitic pharyngitis	Billable
A50.04	Early congenital syphilitic pneumonia	Billable
A50.05	Early congenital syphilitic rhinitis	Billable
A50.06	Early cutaneous congenital syphilis	Billable
A50.07	Early mucocutaneous congenital syphilis	Billable
A50.08	Early visceral congenital syphilis	Billable
A50.09	Other early congenital syphilis, symptomatic	Billable
A50.1	Early congenital syphilis, latent	Billable
A50.2	Early congenital syphilis, unspecified	Billable
A50.3	Late congenital syphilitic oculopathy	Category
A50.30	Late congenital syphilitic oculopathy, unspecified	Billable
A50.31	Late congenital syphilitic interstitial keratitis	Billable
A50.32	Late congenital syphilitic chorioretinitis	Billable
A50.39	Other late congenital syphilitic oculopathy	Billable
A50.4	Late congenital neurosyphilis [juvenile neurosyphilis]	Category
A50.40	Late congenital neurosyphilis, unspecified	Billable
A50.41	Late congenital syphilitic meningitis	Billable
A50.42	Late congenital syphilitic encephalitis	Billable
A50.43	Late congenital syphilitic polyneuropathy	Billable
A50.44	Late congenital syphilitic optic nerve atrophy	Billable
A50.45	Juvenile general paresis	Billable
A50.49	Other late congenital neurosyphilis	Billable
A50.5	Other late congenital syphilis, symptomatic	Category
A50.51	Clutton's joints	Billable
A50.52	Hutchinson's teeth	Billable
A50.53	Hutchinson's triad	Billable
A50.54	Late congenital cardiovascular syphilis	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.