FY2026 · AprilSelected edition
Effective from
- Code-level rules changed
Neovascular secondary angle closure glaucoma
Category — select a more specific code
CDC/NCHS · FY2026 · AprilFor 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 · 2025-10-01
Latest recorded change · FY2026 · April
Effective from
Neovascular secondary angle closure glaucoma
Category — select a more specific code
CDC/NCHS · FY2026 · April| All editions | Effective from | Code history |
|---|---|---|
| FY2026 | 2025-10-01 | Added |
| FY2026 · April | 2026-04-01 | Code-level rules changed |
| FY2027 | 2026-10-01 | No tabular change |
Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
H40.841Neovascular secondary angle closure glaucoma, right eyeBillable / specificH40.842Neovascular secondary angle closure glaucoma, left eyeBillable / specificH40.843Neovascular secondary angle closure glaucoma, bilateralBillable / specificH40.849Neovascular secondary angle closure glaucoma, unspecified eyeBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| H40.81 | Glaucoma with increased episcleral venous pressure | Category · further specificity required |
| H40.82 | Hypersecretion glaucoma | Category · further specificity required |
| H40.83 | Aqueous misdirection | Category · further specificity required |
| H40.89 | Other specified glaucoma | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗