---
title: "ICD-10-CM H10.502: Unspecified blepharoconjunctivitis… | BillingBrief"
description: "ICD-10-CM code H10.502: Unspecified blepharoconjunctivitis, left eye. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/h10.502/"
language: "en"
---

# H10.502 Unspecified blepharoconjunctivitis, left eye

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

**Official ICD-10-CM description:** Unspecified blepharoconjunctivitis, left eye

## Related codes

-   [`H10.011` Acute follicular conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.011/)
-   [`H10.012` Acute follicular conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.012/)
-   [`H10.013` Acute follicular conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.013/)
-   [`H10.019` Acute follicular conjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.019/)
-   [`H10.021` Other mucopurulent conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.021/)
-   [`H10.022` Other mucopurulent conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.022/)
-   [`H10.023` Other mucopurulent conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.023/)
-   [`H10.029` Other mucopurulent conjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.029/)

## Common questions

### Is H10.502 a billable code?

Yes. H10.502 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/).