U.S. ICD-10-CM · FY 2027

A50 ICD-10-CM Code: Congenital syphilis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

A50

Congenital syphilis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where A50 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Infections with a predominantly sexual mode of transmission (A50-A64)

  3. 3

    Category A50

    Congenital syphilis

  4. 4

    Code A50

    Congenital syphilis

More specific choices

Codes under A50

A50 is a non-billable category. Choose the child code that best matches the documented diagnosis.

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

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for A50.

Code first

No “code first” instruction is listed for A50.

Use additional code

No “use additional code” instruction is listed for A50.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for A50.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for A50.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code A50 mean?

A50 is the FY 2027 U.S. ICD-10-CM code for “Congenital syphilis.”

Is A50 a billable or specific ICD-10-CM code?

No. A50 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is A50 located in ICD-10-CM?

A50 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Infections with a predominantly sexual mode of transmission (A50-A64) (A50–A64), under category A50, Congenital syphilis.

What coding notes are listed for A50?

No inclusion terms are listed for A50 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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