Effective from
- First observed
Glaucoma secondary to eye inflammation
Category — select a more specific code
CDC/NCHS · FY20160 — stage unspecified
1 — mild stage
2 — moderate stage
3 — severe stage
4 — indeterminate stage
underlying condition
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 eye inflammation
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 condition
One of the following 7th characters is to be assigned to each code in subcategory H40.4 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
H40.40Glaucoma secondary to eye inflammation, unspecified eyeCategory · further specificity requiredH40.41Glaucoma secondary to eye inflammation, right eyeCategory · further specificity requiredH40.42Glaucoma secondary to eye inflammation, left eyeCategory · further specificity requiredH40.43Glaucoma secondary to eye inflammation, 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 |
| H40.5 | Glaucoma secondary to other eye disorders | 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 ↗
Excludes 2 · glaucomatocyclitis crises (H40.4-)