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A50

⚠ Non-billable (Header)

Congenital syphilis

Certain infectious and parasitic diseases (A00-B99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✓ No additional coding notes for A50

Child Codes (9)

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, unspecified

Clinical Description

ICD-10-CM code A50 represents congenital syphilis. This code falls under the Certain infectious and parasitic diseases (A00-B99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

Frequently Asked Questions

What is ICD-10 code A50?

ICD-10-CM code A50 is "Congenital syphilis". It belongs to the category: Certain infectious and parasitic diseases (A00-B99).

Is A50 a billable ICD-10 code?

No, A50 is a non-billable header code. A more specific child code must be used for billing.

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Code Information

CodeA50
BillableNo — Header code
CategoryCertain infectious and parasitic diseases (A00-B99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes9

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)