ICD-10-CM › H00-H59 › H40-H42 › H40.11 Primary open-angle glaucoma › H40.112

H40.112

Primary open-angle glaucoma, left 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, FY2017 onwards. It has never been valid for submission on its own.

Submit one of these 5 more specific codes instead:

  • H40.1120 Primary open-angle glaucoma, left eye, stage unspecified
  • H40.1121 Primary open-angle glaucoma, left eye, mild stage
  • H40.1122 Primary open-angle glaucoma, left eye, moderate stage
  • H40.1123 Primary open-angle glaucoma, left eye, severe stage
  • H40.1124 Primary open-angle glaucoma, left eye, indeterminate stage

What has happened to this code

Every change the publisher made, from 2017 to now.

  1. FY2017 Added to the code set Primary open-angle glaucoma, left eye

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
H40.111 Primary open-angle glaucoma, right eye Not billable
H40.113 Primary open-angle glaucoma, bilateral Not billable
H40.119 Primary open-angle glaucoma, unspecified eye Not billable
H40.11X0 Primary open-angle glaucoma, stage unspecified Retired
H40.11X1 Primary open-angle glaucoma, mild stage Retired
H40.11X2 Primary open-angle glaucoma, moderate stage Retired
H40.11X3 Primary open-angle glaucoma, severe stage Retired
H40.11X4 Primary open-angle glaucoma, indeterminate stage Retired