A51.5

Billable

Early syphilis, latent

A51.5 is the ICD-10-CM code for Early syphilis, latent. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
A00-B99
Parent
A51
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

Includes

  • Syphilis (acquired) without clinical manifestations, with positive serological reaction and negative spinal fluid test, less than two years after infection.

Frequently asked questions

What is ICD-10 code A51.5?
A51.5 is the ICD-10-CM code for "Early syphilis, latent". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A51.5 a billable code?
Yes — A51.5 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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