ICD-10-CM › H00-H59 › H40-H42 › H40.1 Open-angle glaucoma › H40.11
Primary open-angle glaucoma
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 9 more specific codes instead:
- H40.111 Primary open-angle glaucoma, right eye (also a header)
- H40.112 Primary open-angle glaucoma, left eye (also a header)
- H40.113 Primary open-angle glaucoma, bilateral (also a header)
- H40.119 Primary open-angle glaucoma, unspecified eye (also a header)
- H40.11X0 Primary open-angle glaucoma, stage unspecified (also a header)
- H40.11X1 Primary open-angle glaucoma, mild stage (also a header)
- H40.11X2 Primary open-angle glaucoma, moderate stage (also a header)
- H40.11X3 Primary open-angle glaucoma, severe stage (also a header)
- H40.11X4 Primary open-angle glaucoma, indeterminate stage (also a header)
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.
- FY2007 Added to the draft code set draft Primary open-angle glaucoma
- FY2012 Removed from the draft draft
- 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.
- Glaucoma > noncongestive
- Glaucoma > nonobstructive
- Open, opening > angle with > glaucoma
- Glaucoma > simple
- Glaucoma > simplex
- Glaucoma > open angle > primary
Codes in the same group
| Code | Description | Status |
|---|---|---|
| H40.10 | Unspecified open-angle glaucoma | Not billable |
| H40.12 | Low-tension glaucoma | Not billable |
| H40.13 | Pigmentary glaucoma | Not billable |
| H40.14 | Capsular glaucoma with pseudoexfoliation of lens | Not billable |
| H40.15 | Residual stage of open-angle glaucoma | Not billable |