A50.0
Non-Billable

Early congenital syphilis, symptomatic

Non-Billable / Non-Specific Code

What is Early congenital syphilis, symptomatic?

ICD-10-CM A50.0 is the diagnosis code for Early congenital syphilis, symptomatic. This code falls under the section "Infections with a predominantly sexual mode of transmission" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for A50.0

✅ This Code Includes

  • Any congenital syphilitic condition specified as early or manifest less than two years after birth.

ICD-10-CM Code Hierarchy

Understanding where A50.0 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 9 entries
A50.01Early congenital syphilitic oculopathyBillableA50.02Early congenital syphilitic osteochondropathyBillableA50.03Early congenital syphilitic pharyngitisBillableA50.04Early congenital syphilitic pneumoniaBillableA50.05Early congenital syphilitic rhinitisBillableA50.06Early cutaneous congenital syphilisBillableA50.07Early mucocutaneous congenital syphilisBillableA50.08Early visceral congenital syphilisBillableA50.09Other early congenital syphilis, symptomaticBillable
Related Codes

Frequently Asked Questions

Is A50.0 a billable ICD-10-CM code?

No, A50.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A50.0 mean?

A50.0 is the ICD-10-CM diagnosis code for "Early congenital syphilis, symptomatic". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A50.0?

The parent code of A50.0 is A50 ("Congenital syphilis"). A50.0 provides a more specific classification within this category.

What section is A50.0 in?

A50.0 is located in Section A50-A64 — "Infections with a predominantly sexual mode of transmission" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of A50.0?

A50.0 has 9 sub-code(s) that provide more specific detail: A50.01, A50.02, A50.03, A50.04, A50.05 and more.

When should I use A50.0?

Use A50.0 when the patients documented diagnosis matches "Early congenital syphilis, symptomatic" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Early congenital syphilis, symptomatic?

The ICD-10-CM code for Early congenital syphilis, symptomatic is A50.0.

Can A50.0 be used for primary diagnosis?

No, A50.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A50.0 in?

A50.0 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A50.0 valid for 2026?

Yes, A50.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA50Congenital syphilisNext →A50.01Early congenital syphilitic oculopathy
Code Details
A50.0
Early congenital syphilis, symptomatic
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A50-A64 — Infections with a predominantly sexual mode of transmission
2026 ICD-10-CM