Effective from
- First observed
Glaucoma secondary to other eye disorders
Category — select a more specific code
CDC/NCHS · FY20160 — stage unspecified
1 — mild stage
2 — moderate stage
3 — severe stage
4 — indeterminate stage
underlying eye disorder
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
No recorded change since first observation
Effective from
Glaucoma secondary to other eye disorders
Category — select a more specific code
CDC/NCHS · FY2016| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
underlying eye disorder
One of the following 7th characters is to be assigned to each code in subcategory H40.5 to designate the stage of glaucoma
0 — stage unspecified
1 — mild stage
2 — moderate stage
3 — severe stage
4 — indeterminate stage
Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
H40.50Glaucoma secondary to other eye disorders, unspecified eyeCategory · further specificity requiredH40.51Glaucoma secondary to other eye disorders, right eyeCategory · further specificity requiredH40.52Glaucoma secondary to other eye disorders, left eyeCategory · further specificity requiredH40.53Glaucoma secondary to other eye disorders, bilateralCategory · further specificity requiredOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| H40.0 | Glaucoma suspect | Category · further specificity required |
| H40.1 | Open-angle glaucoma | Category · further specificity required |
| H40.2 | Primary angle-closure glaucoma | Category · further specificity required |
| H40.3 | Glaucoma secondary to eye trauma | Category · further specificity required |
| H40.4 | Glaucoma secondary to eye inflammation | Category · further specificity required |
| H40.6 | Glaucoma secondary to drugs | Category · further specificity required |
| H40.8 | Other glaucoma | Category · further specificity required |
| H40.9 | Unspecified glaucoma | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗