H16.12

Non-Billable

ChapterH00–H59

Ranksubcategory

Official Description

Filamentary keratitis

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

H16.1Other and unspecified superficial keratitis without conjunctivitis

H16.12Filamentary keratitis

H16.121Filamentary keratitis, right eye

H16.122Filamentary keratitis, left eye

H16.123Filamentary keratitis, bilateral

H16.129Filamentary keratitis, unspecified eye

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H16.12:

chapterCH7

Diseases of the eye and adnexa (H00-H59)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H16.12. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Keratitis (nodular) (nonulcerative) (simple) (zonular)1 unique routes

filamentary→H16.12

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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Find surgical and procedural codes related to Filamentary keratitis.

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