ICD-10-CM FY2027 diagnosis code

H18.502: Unspecified hereditary corneal dystrophies, left eye

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

H18.502 is a billable ICD-10-CM diagnosis code for unspecified hereditary corneal dystrophies, left eye. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

H18.502 questions

Is H18.502 a billable code?

Yes. H18.502 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does H18.502 mean?

H18.502 is the ICD-10-CM code for Unspecified hereditary corneal dystrophies, left eye. It is in chapter 7, Diseases of the eye and adnexa (H00-H59).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.