FY2016
Effective from
- First observed
Chronic angle-closure glaucoma, left eye
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
Chronic angle-closure glaucoma, left eye
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 |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Chronic primary angle closure glaucoma
One of the following 7th characters is to be assigned to each code in subcategory H40.22 to designate the stage of glaucoma
0 — stage unspecified
1 — mild stage
2 — moderate stage
3 — severe stage
4 — indeterminate stage
H40.2220Chronic angle-closure glaucoma, left eye, stage unspecifiedBillable / specificH40.2221Chronic angle-closure glaucoma, left eye, mild stageBillable / specificH40.2222Chronic angle-closure glaucoma, left eye, moderate stageBillable / specificH40.2223Chronic angle-closure glaucoma, left eye, severe stageBillable / specificH40.2224Chronic angle-closure glaucoma, left eye, indeterminate stageBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| H40.221 | Chronic angle-closure glaucoma, right eye | Category · further specificity required |
| H40.223 | Chronic angle-closure glaucoma, bilateral | Category · further specificity required |
| H40.229 | Chronic angle-closure glaucoma, unspecified eye | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗