ICD-10 Code for Keratopathy

The ICD-10-CM code for keratopathy is H18.9 — Unspecified disorder of cornea. This is the code the Alphabetic Index gives for keratopathy with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

H18.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which keratopathy code should you use?

The Alphabetic Index lists 4 codes under Keratopathy. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

bandH18.42Not billableBand keratopathy
bullousH18.1Not billableBullous keratopathy
bullous, following cataract surgeryH59.01Not billableKeratopathy (bullous aphakic) following cataract surgery

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources