A18.5

Non-billable

Tuberculosis of eye

A18.5 is the ICD-10-CM code for Tuberculosis of eye. It is a non-billable category code — use a more specific child code such as A18.50 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Parent
A18
Subcodes
6
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Your eyes can get infections from bacteria, fungi, or viruses. Eye infections can occur in different parts of the eye and can affect just one eye or both. Two common eye infections are: Conjunctivitis - also known as pink eye . Conjunctivitis is often due to an infection. Children frequently get it, and it is very contagious. Stye - a bump on the eyelid that happens when bacteria from your skin get into the hair…

Read more about Eye Infections at MedlinePlus ↗

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

Excludes2 — not included here

  • lupus vulgaris of eyelid (A18.4)

Frequently asked questions

What is ICD-10 code A18.5?
A18.5 is the ICD-10-CM code for "Tuberculosis of eye". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A18.5 a billable code?
No — A18.5 is a non-billable header code. Use a more specific child code (such as A18.50) for billing.
What are the subcodes of A18.5?
A18.5 has 6 more specific child codes, including A18.50, A18.51, A18.52.

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

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