---
title: "ICD-10-CM H10.431: Chronic follicular conjunctivitis… | BillingBrief"
description: "ICD-10-CM code H10.431: Chronic follicular conjunctivitis, right eye. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/h10.431/"
language: "en"
---

# H10.431 Chronic follicular conjunctivitis, right eye

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

**Official ICD-10-CM description:** Chronic follicular conjunctivitis, right 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.

-   keratoconjunctivitis (H16.2-)

## Related codes

-   [`H10.421` Simple chronic conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.421/)
-   [`H10.422` Simple chronic conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.422/)
-   [`H10.423` Simple chronic conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.423/)
-   [`H10.429` Simple chronic conjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.429/)
-   [`H10.432` Chronic follicular conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.432/)
-   [`H10.433` Chronic follicular conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.433/)
-   [`H10.439` Chronic follicular conjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.439/)
-   [`H10.44` Vernal conjunctivitis ICD-10-CM](https://billingbrief.com/icd10/h10.44/)

## Common questions

### Is H10.431 a billable code?

Yes. H10.431 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/).