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.
Official description
A50Congenital syphilis
ICD-10-CM diagnosis code · United States clinical modification
Where A50 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Infections with a predominantly sexual mode of transmission (A50-A64)
- 3
Category A50
Congenital syphilis
- 4
Code A50
Congenital syphilis
Codes under A50
A50 is a non-billable category. Choose the child code that best matches the documented diagnosis.
A50.0Early congenital syphilis, symptomaticA50.1Early congenital syphilis, latentA50.2Early congenital syphilis, unspecifiedA50.3Late congenital syphilitic oculopathyA50.4Late congenital neurosyphilis [juvenile neurosyphilis]A50.5Other late congenital syphilis, symptomaticA50.6Late congenital syphilis, latentA50.7Late congenital syphilis, unspecifiedA50.9Congenital syphilis, unspecifiedNotes 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.
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.
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.