H10.4

Non-Billable

ChapterH00–H59

Ranksubcategory

Official Description

Chronic conjunctivitis

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 View H10 Notes

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)

H10-H11Disorders of conjunctiva (H10-H11)

H10Conjunctivitis

H10.4Chronic conjunctivitis

H10.40Unspecified chronic conjunctivitis

H10.41Chronic giant papillary conjunctivitis

H10.42Simple chronic conjunctivitis

H10.43Chronic follicular conjunctivitis

H10.44Vernal conjunctivitis

H10.45Other chronic allergic conjunctivitis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H10.4:

categoryH10

Conjunctivitis

View context instructions

chapterCH7

Diseases of the eye and adnexa (H00-H59)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H10.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths

Conjunctivitis (staphylococcal) (streptococcal) NOS9 unique routes

allergic (acute)(2 variants)

chronic→H10.4(2 variants)

vernal→H10.4

chronic (nodosa) (petrificans) (phlyctenular)→H10.4(7 variants)

allergic→H10.4(2 variants)

vernal→H10.4

follicular→H10.4

giant papillary→H10.4

simple→H10.4

vernal→H10.4

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Chronic conjunctivitis.

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