ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.8 > H40.84 H40.84 Neovascular secondary angle closure glaucoma Non-Billable/Non-Specific Code Also the underlying condition such as:central retinal vein occlusion (H34.81)diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39)retinal ischemia (H35.82) Codes H40.841Neovascular secondary angle closure glaucoma, right eyeH40.842Neovascular secondary angle closure glaucoma, left eyeH40.843Neovascular secondary angle closure glaucoma, bilateralH40.849Neovascular secondary angle closure glaucoma, unspecified eye