Effective from
- First observed
Unspecified primary angle-closure glaucoma, indeterminate stage
Billable diagnosis code
CDC/NCHS · FY20160 — stage unspecified
1 — mild stage
2 — moderate stage
3 — severe stage
4 — indeterminate stage
Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.
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, indeterminate stage
Billable diagnosis 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 |
Historical mapping only; not an automatic code substitution.
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
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
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| H40.20X0 | Unspecified primary angle-closure glaucoma, stage unspecified | Billable / specific |
| H40.20X1 | Unspecified primary angle-closure glaucoma, mild stage | Billable / specific |
| H40.20X2 | Unspecified primary angle-closure glaucoma, moderate stage | Billable / specific |
| H40.20X3 | Unspecified primary angle-closure glaucoma, severe stage | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗