H16.0

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

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
H16.00Unspecified corneal ulcer
H16.01Central corneal ulcer
H16.02Ring corneal ulcer
H16.03Corneal ulcer with hypopyon
H16.04Marginal corneal ulcer
H16.05Mooren's corneal ulcer
H16.06Mycotic corneal ulcer
H16.07Perforated corneal ulcer

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H16.0:

chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H16.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths
Ulcer, ulcerated, ulcerating, ulceration, ulcerative8 unique routes
cornea→H16.0(8 variants)
central→H16.0
marginal→H16.0
Mooren's→H16.0
mycotic→H16.0
perforated→H16.0
ring→H16.0
with hypopyon→H16.0

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Corneal ulcer.

Search PCS Codes