FY2016
Effective from
- First observed
Unspecified primary angle-closure glaucoma
Category — select a more specific code
CDC/NCHS · FY20160 — stage unspecified
1 — mild stage
2 — moderate stage
3 — severe stage
4 — indeterminate stage
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
Unspecified primary angle-closure glaucoma
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 |
One of the following 7th characters is to be assigned to code H40.20 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
H40.20X0Unspecified primary angle-closure glaucoma, stage unspecifiedBillable / specificH40.20X1Unspecified primary angle-closure glaucoma, mild stageBillable / specificH40.20X2Unspecified primary angle-closure glaucoma, moderate stageBillable / specificH40.20X3Unspecified primary angle-closure glaucoma, severe stageBillable / specificH40.20X4Unspecified primary angle-closure glaucoma, indeterminate stageBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| H40.21 | Acute angle-closure glaucoma | Category · further specificity required |
| H40.22 | Chronic angle-closure glaucoma | Category · further specificity required |
| H40.23 | Intermittent angle-closure glaucoma | Category · further specificity required |
| H40.24 | Residual stage of angle-closure glaucoma | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗