Corneal ectasia

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

H18.711 Corneal ectasia, right eye
H18.712 Corneal ectasia, left eye
H18.713 Corneal ectasia, bilateral
H18.719 Corneal ectasia, unspecified eye

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Corneal ectasia

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Keratectasia
Deformity > cornea > ectasia
Disorder > cornea > deformity
Irregular, irregularity > contour of cornea
Ectasia, ectasis > cornea

Codes in the same group

Code	Description	Status
H18.70	Unspecified corneal deformity	Valid
H18.72	Corneal staphyloma	Not billable
H18.73	Descemetocele	Not billable
H18.79	Other corneal deformities	Not billable