H40.1 - Open-angle glaucoma
H40.12 - Low-tension glaucoma
sevenChrNote:
-One of the following 7th characters is to be assigned to each code in subcategoryH40.12 to designate the stage of glaucoma
sevenChrDef:
0 - stage unspecified
1 - mild stage
2 - moderate stage
3 - severe stage
4 - indeterminate stage
H40.121 - Low-tension glaucoma, right eye
H40.122 - Low-tension glaucoma, left eye
H40.123 - Low-tension glaucoma, bilateral
H40.129 - Low-tension glaucoma, unspecified eye