H05.1

Non-Billable

ChapterH00–H59

Ranksubcategory

Official Description

Chronic inflammatory disorders of orbit

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 H00-H05 Notes View H05 Notes

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)

H00-H05Disorders of eyelid, lacrimal system and orbit (H00-H05)

H05Disorders of orbit

H05.1Chronic inflammatory disorders of orbit

H05.10Unspecified chronic inflammatory disorders of orbit

H05.11Granuloma of orbit

H05.12Orbital myositis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H05.1:

categoryH05

Disorders of orbit

View context instructions

blockH00-H05

Disorders of eyelid, lacrimal system and orbit (H00-H05)

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 H05.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

Granuloma1 unique routes

orbit, orbital→H05.1

Inflammation, inflamed, inflammatory (with exudation)1 unique routes

orbit (chronic)→H05.1

Myositis1 unique routes

orbital, chronic→H05.1

Pseudotumor1 unique routes

orbital→H05.1

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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