H16.04

Non-Billable

ChapterH00–H59

Ranksubcategory

Official Description

Marginal corneal ulcer

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

General instructions are available for the parent sections:

View CH7 Notes

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)

H15-H22Disorders of sclera, cornea, iris and ciliary body (H15-H22)

H16Keratitis

H16.0Corneal ulcer

H16.04Marginal corneal ulcer

H16.041Marginal corneal ulcer, right eye

H16.042Marginal corneal ulcer, left eye

H16.043Marginal corneal ulcer, bilateral

H16.049Marginal corneal ulcer, unspecified eye

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H16.04:

chapterCH7

Diseases of the eye and adnexa (H00-H59)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H16.04. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Ulcer, ulcerated, ulcerating, ulceration, ulcerative1 unique routes

cornea

marginal→H16.04

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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Find surgical and procedural codes related to Marginal corneal ulcer.

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