H40.10 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Unspecified open-angle glaucoma.
Seventh character note
One of the following 7th characters is to be assigned to code H40.10 to designate the stage of glaucoma
Seventh character extensions
0: stage unspecified
1: mild stage
2: moderate stage
3: severe stage
4: indeterminate stage
Codes
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code