Neovascular secondary angle closure glaucoma, left eye

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

FY2026 Added to the code set Neovascular secondary angle closure 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.

Glaucoma > obstructive
Glaucoma > closed angle
Glaucoma > narrow angle
Glaucoma > neovascular secondary angle closure
Glaucoma > angle-closure > secondary, neovascular

Codes in the same group

Code	Description	Status
H40.841	Neovascular secondary angle closure glaucoma, right eye	Valid
H40.843	Neovascular secondary angle closure glaucoma, bilateral	Valid
H40.849	Neovascular secondary angle closure glaucoma, unspecified eye	Valid