ICD-10-CM › H00-H59 › H40-H42 › H40.4 Glaucoma secondary to eye inflammation › H40.40

H40.40

Glaucoma secondary to eye inflammation, unspecified eye

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 5 more specific codes instead:

  • H40.40X0 Glaucoma secondary to eye inflammation, unspecified eye, stage unspecified
  • H40.40X1 Glaucoma secondary to eye inflammation, unspecified eye, mild stage
  • H40.40X2 Glaucoma secondary to eye inflammation, unspecified eye, moderate stage
  • H40.40X3 Glaucoma secondary to eye inflammation, unspecified eye, severe stage
  • H40.40X4 Glaucoma secondary to eye inflammation, unspecified eye, indeterminate stage

What has happened to this code

Every change the publisher made, from 2007 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. FY2007 Added to the draft code set draft Glaucoma secondary to eye inflammation, unspecified eye
  2. FY2012 Removed from the draft draft
  3. FY2014 Returned to the draft draft

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
H40.41 Glaucoma secondary to eye inflammation, right eye Not billable
H40.42 Glaucoma secondary to eye inflammation, left eye Not billable
H40.43 Glaucoma secondary to eye inflammation, bilateral Not billable