---
title: "ICD-10-CM H10.519: Ligneous conjunctivitis, unspecified eye | BillingBrief"
description: "ICD-10-CM code H10.519: Ligneous conjunctivitis, unspecified eye. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/h10.519/"
language: "en"
---

# H10.519 Ligneous conjunctivitis, unspecified eye

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

**Official ICD-10-CM description:** Ligneous 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.

-   keratoconjunctivitis (H16.2-)

### Code also

A second code may be needed. Sequencing depends on the encounter.

-   underlying condition if known, such as:
-   plasminogen deficiency (E88.02)

## Related codes

-   [`H10.509` Unspecified blepharoconjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.509/)
-   [`H10.511` Ligneous conjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.511/)
-   [`H10.512` Ligneous conjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.512/)
-   [`H10.513` Ligneous conjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.513/)
-   [`H10.521` Angular blepharoconjunctivitis, right eye ICD-10-CM](https://billingbrief.com/icd10/h10.521/)
-   [`H10.522` Angular blepharoconjunctivitis, left eye ICD-10-CM](https://billingbrief.com/icd10/h10.522/)
-   [`H10.523` Angular blepharoconjunctivitis, bilateral ICD-10-CM](https://billingbrief.com/icd10/h10.523/)
-   [`H10.529` Angular blepharoconjunctivitis, unspecified eye ICD-10-CM](https://billingbrief.com/icd10/h10.529/)

## Common questions

### Is H10.519 a billable code?

Yes. H10.519 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/).