Get started free

A52

Non-billable

Late syphilis

A52 is the ICD-10-CM code for Late syphilis. It is a non-billable category code — use a more specific child code such as A52.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
7
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Syphilis is a sexually transmitted infection (STI) caused by bacteria. It infects the genital area, lips, mouth, or anus of both men and women. You usually get syphilis from sexual contact with someone who has it. It can also pass from mother to baby during pregnancy. The early stage of syphilis usually causes a single, small, painless sore. Sometimes it causes swelling in nearby lymph nodes. If you do not treat it,…

Read more about Syphilis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code A52?
A52 is the ICD-10-CM code for "Late syphilis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A52 a billable code?
No — A52 is a non-billable header code. Use a more specific child code (such as A52.0) for billing.
What are the subcodes of A52?
A52 has 7 more specific child codes, including A52.0, A52.1, A52.2.

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →