---
title: "ICD-10-CM H10.30: Unspecified acute conjunctivitis… | BillingBrief"
description: "ICD-10-CM code H10.30: Unspecified acute conjunctivitis, unspecified eye. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/h10.30/"
language: "en"
---

# H10.30 Unspecified acute conjunctivitis, unspecified eye

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Unspecified acute conjunctivitis, unspecified eye

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   ophthalmia neonatorum NOS (P39.1)
-   keratoconjunctivitis (H16.2-)

## Related codes

-   [`H10.231` Serous conjunctivitis, except viral, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.231/)
-   [`H10.232` Serous conjunctivitis, except viral, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.232/)
-   [`H10.233` Serous conjunctivitis, except viral, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.233/)
-   [`H10.239` Serous conjunctivitis, except viral, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.239/)
-   [`H10.31` Unspecified acute conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.31/)
-   [`H10.32` Unspecified acute conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.32/)
-   [`H10.33` Unspecified acute conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.33/)
-   [`H10.401` Unspecified chronic conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.401/)

## Common questions

### Is H10.30 a billable code?

Yes. H10.30 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

H10 Conjunctivitis

Chapter

Diseases of the eye and adnexa

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).