Ring corneal ulcer

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:

H16.021 Ring corneal ulcer, right eye
H16.022 Ring corneal ulcer, left eye
H16.023 Ring corneal ulcer, bilateral
H16.029 Ring corneal ulcer, 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 Ring corneal ulcer

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.

Erosion > cornea
Disorder > cornea > ulcer
Keratitis > with ulceration
Disorder > cornea > keratitis
Xerosis > cornea > with ulceration
Opacity, opacities > cornea > inflammatory
Inflammation, inflamed, inflammatory > cornea
Ulcer, ulcerated, ulcerating, ulceration, ulcerative > keratitis
Ulcer, ulcerated, ulcerating, ulceration, ulcerative > cornea > ring

Codes in the same group

Code	Description	Status
H16.00	Unspecified corneal ulcer	Not billable
H16.01	Central corneal ulcer	Not billable
H16.03	Corneal ulcer with hypopyon	Not billable
H16.04	Marginal corneal ulcer	Not billable
H16.05	Mooren's corneal ulcer	Not billable
H16.06	Mycotic corneal ulcer	Not billable
H16.07	Perforated corneal ulcer	Not billable