A50 Congenital syphilis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Congenital syphilis is A50 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
A50-A64: Infections with a predominantly sexual mode of transmission (A50-A64)
Category A50
38 codes (33 billable)
FY2026 Status
Stable since FY2024

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference A50 with the canonical source and edition:

A50 — Congenital syphilis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A50

Canonical URL: https://icd10codingpro.com/codes/A50

Related Codes

More Specific Codes

A50.0 Early congenital syphilis, symptomatic A50.1 Early congenital syphilis, latent A50.2 Early congenital syphilis, unspecified A50.3 Late congenital syphilitic oculopathy A50.4 Late congenital neurosyphilis [juvenile neurosyphilis] A50.5 Other late congenital syphilis, symptomatic A50.6 Late congenital syphilis, latent A50.7 Late congenital syphilis, unspecified A50.9 Congenital syphilis, unspecified

All Codes in A50

Every most-specific code under A50 Congenital syphilis (33 codes):

Show the complete A50 code list
A50.01 Early congenital syphilitic oculopathy A50.02 Early congenital syphilitic osteochondropathy A50.03 Early congenital syphilitic pharyngitis A50.04 Early congenital syphilitic pneumonia A50.05 Early congenital syphilitic rhinitis A50.06 Early cutaneous congenital syphilis A50.07 Early mucocutaneous congenital syphilis A50.08 Early visceral congenital syphilis A50.09 Other early congenital syphilis, symptomatic A50.1 Early congenital syphilis, latent A50.2 Early congenital syphilis, unspecified A50.30 Late congenital syphilitic oculopathy, unspecified A50.31 Late congenital syphilitic interstitial keratitis A50.32 Late congenital syphilitic chorioretinitis A50.39 Other late congenital syphilitic oculopathy A50.40 Late congenital neurosyphilis, unspecified A50.41 Late congenital syphilitic meningitis A50.42 Late congenital syphilitic encephalitis A50.43 Late congenital syphilitic polyneuropathy A50.44 Late congenital syphilitic optic nerve atrophy A50.45 Juvenile general paresis A50.49 Other late congenital neurosyphilis A50.51 Clutton's joints A50.52 Hutchinson's teeth A50.53 Hutchinson's triad A50.54 Late congenital cardiovascular syphilis A50.55 Late congenital syphilitic arthropathy A50.56 Late congenital syphilitic osteochondropathy A50.57 Syphilitic saddle nose A50.59 Other late congenital syphilis, symptomatic A50.6 Late congenital syphilis, latent A50.7 Late congenital syphilis, unspecified A50.9 Congenital syphilis, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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