All ICD10 Codes
H05Not billable, use a more specific code below

Disorders of orbit

In Disorders of eyelid, lacrimal system and orbit (H00-H05), chapter 7: Diseases of the Eye and Adnexa

102 billable codes under H05: 12 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

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Instructional notes

Excludes1: not coded here, use a different code

  • congenital malformation of orbit (Q10.7)

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

These notes sit on H00-H05 and apply to every code under it, including H05.

Excludes2: not included here, code separately if applicable

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers coding glaucoma by type, eye, and stage, including bilateral cases and stage changes, and coding blindness or low vision when the impairment category is undocumented.

Read Section I.C.7 (page 48)

All codes under H05

H05 can't be used on a claim. Pick a billable code below; grey headings group them.

H05 MS-DRGs

As the principal diagnosis, the billable codes under H05 group to MS-DRG 124, 125, 121, 122, or 123 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Eye Diseases

Even if your eyes feel healthy, you could have a problem and not know it. That's why regular eye exams are so important. Refractive errors are the most common type of vision problem that makes it hard to see clearly. But some eye conditions or diseases don't have any symptoms and can lead to a permanent loss of vision.

Read more about eye diseases on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.