H18.89

Non-Billable

ChapterH00–H59

Ranksubcategory

Official Description

Other specified disorders of cornea

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)

H18Other disorders of cornea

H18.8Other specified disorders of cornea

H18.89Other specified disorders of cornea

H18.891Other specified disorders of cornea, right eye

H18.892Other specified disorders of cornea, left eye

H18.893Other specified disorders of cornea, bilateral

H18.899Other specified disorders of cornea, unspecified eye

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H18.89:

chapterCH7

Diseases of the eye and adnexa (H00-H59)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H18.89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths

Cyst (colloid) (mucous) (simple) (retention)1 unique routes

cornea→H18.89

Disease, diseased1 unique routes

cornea

specified NEC→H18.89

Disorder (of)1 unique routes

cornea

specified type NEC→H18.89

Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)1 unique routes

cornea→H18.89

Necrosis, necrotic (ischemic)1 unique routes

cornea→H18.89

Xerosis1 unique routes

cornea→H18.89

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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