All ICD10 Codes

H05.121

Billable
ChapterH00–H59
Ranksubcategory
Official Description

Orbital myositis, right orbit

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).
General instructions are available for the parent sections:
View CH7 NotesView H00-H05 NotesView 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
H05.12Orbital myositis
H05.121Orbital myositis, right orbit

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H05.121:

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

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 124
Other Disorders of the Eye with MCC or Thrombolytic Agent
DRG 125
Other Disorders of the Eye without MCC

Cross Reference

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