---
title: "ICD-10-CM H10.233: Serous conjunctivitis, except viral… | BillingBrief"
description: "ICD-10-CM code H10.233: Serous conjunctivitis, except viral, bilateral. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/h10.233/"
language: "en"
---

# H10.233 Serous conjunctivitis, except viral, bilateral

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

**Official ICD-10-CM description:** Serous conjunctivitis, except viral, bilateral

## 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.

-   viral conjunctivitis (B30.-)
-   keratoconjunctivitis (H16.2-)

## Related codes

-   [`H10.219` Acute toxic conjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.219/)
-   [`H10.221` Pseudomembranous conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.221/)
-   [`H10.222` Pseudomembranous conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.222/)
-   [`H10.223` Pseudomembranous conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.223/)
-   [`H10.229` Pseudomembranous conjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.229/)
-   [`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/)
-   [`H10.239` Serous conjunctivitis, except viral, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.239/)

## Common questions

### Is H10.233 a billable code?

Yes. H10.233 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/).