ICD-10-CM › H00-H59 › H40-H42 › H40 Glaucoma › H40.4

H40.4

Glaucoma secondary to eye inflammation

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:

  • H40.40 Glaucoma secondary to eye inflammation, unspecified eye (also a header)
  • H40.41 Glaucoma secondary to eye inflammation, right eye (also a header)
  • H40.42 Glaucoma secondary to eye inflammation, left eye (also a header)
  • H40.43 Glaucoma secondary to eye inflammation, bilateral (also a header)

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.

  1. FY2012 Added to the draft code set draft Glaucoma secondary to eye inflammation

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from H40 Glaucoma

Excludes1 - never coded here

  • absolute glaucoma (H44.51-)
  • congenital glaucoma (Q15.0)
  • traumatic glaucoma due to birth injury (P15.3)

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.

Codes in the same group

CodeDescriptionStatus
H40.0 Glaucoma suspect Not billable
H40.1 Open-angle glaucoma Not billable
H40.2 Primary angle-closure glaucoma Not billable
H40.3 Glaucoma secondary to eye trauma Not billable
H40.5 Glaucoma secondary to other eye disorders Not billable
H40.6 Glaucoma secondary to drugs Not billable
H40.8 Other glaucoma Not billable
H40.9 Unspecified glaucoma Valid