H01Not billable, use a more specific code below

Other inflammation of eyelid

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

65 billable codes under H01: none are a CC or MCC; none map to an HCC.

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Instructional notes

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 H01.

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 H01

H01 can't be used on a claim. Pick a billable code below; grey headings group them.

H01 MS-DRGs

As the principal diagnosis, all 65 billable codes under H01 group to MS-DRG 124 or 125 (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.

Eyelid Disorders

Eyelid disorders include a variety of conditions that affect your eyelids. Your eyelids protect your eyes and help keep them healthy. When you blink, they spread tears across your eyes and help wash away dirt or dust. You also close your eyelids when something comes near your eyes to protect them from injury.

Read more about eyelid disorders on MedlinePlus

Code history

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