ICD-10-CM › H00-H59 › H40-H42 › H40 Glaucoma › H40.1
H40.1
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 6 more specific codes instead:
- H40.10 Unspecified open-angle glaucoma (also a header)
- H40.11 Primary open-angle glaucoma (also a header)
- H40.12 Low-tension glaucoma (also a header)
- H40.13 Pigmentary glaucoma (also a header)
- H40.14 Capsular glaucoma with pseudoexfoliation of lens (also a header)
- H40.15 Residual stage of open-angle glaucoma (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.
- FY2012 Added to the draft code set draft Open-angle glaucoma
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)
Codes in the same group
| Code | Description | Status |
|---|---|---|
| H40.0 | Glaucoma suspect | Not billable |
| H40.2 | Primary angle-closure glaucoma | Not billable |
| H40.3 | Glaucoma secondary to eye trauma | Not billable |
| H40.4 | Glaucoma secondary to eye inflammation | 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 |