2022 ICD-10-CM Code H18.592

Other hereditary corneal dystrophies, left eye

Version 2021

Valid for Submission

ICD-10:H18.592
Short Description:Other hereditary corneal dystrophies, left eye
Long Description:Other hereditary corneal dystrophies, left eye

Code Classification

  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of sclera, cornea, iris and ciliary body (H15-H22)
      • Other disorders of cornea (H18)

H18.592 is a billable diagnosis code used to specify a medical diagnosis of other hereditary corneal dystrophies, left eye. The code H18.592 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

Replacement Code

H18592 replaces the following previously assigned ICD-10 code(s):

Information for Patients


Corneal Disorders

Your cornea is the outermost layer of your eye. It is clear and shaped like a dome. The cornea helps to shield the rest of the eye from germs, dust, and other harmful matter. It also helps your eye to focus. If you wear contact lenses, they float on top of your corneas.

Problems with the cornea include

Treatments of corneal disorders include medicines, corneal transplantation, and corneal laser surgery.

NIH: National Eye Institute


[Learn More in MedlinePlus]

Code History

  • FY 2021 - Code Added, effective from 10/1/2020 through 9/30/2021