H16.4

Non-Billable

ChapterH00–H59

Ranksubcategory

Official Description

Corneal neovascularization

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

H16.4Corneal neovascularization

H16.40Unspecified corneal neovascularization

H16.41Ghost vessels (corneal)

H16.42Pannus (corneal)

H16.43Localized vascularization of cornea

H16.44Deep vascularization of cornea

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H16.4:

chapterCH7

Diseases of the eye and adnexa (H00-H59)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H16.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths

Ghost1 unique routes

vessels (cornea)→H16.4

Neovascularization3 unique routes

cornea→H16.4(3 variants)

deep→H16.4

localized→H16.4

Pannus (allergic) (cornea) (degenerativus) (keratic)1 unique routes

Direct index entry→H16.4

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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