H40.1
Header — not billableOpen-angle glaucoma
The ICD-10 code for open-angle glaucoma is H40.1.
H40.1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under H40.1
- H40.10Unspecified open-angle glaucoma
- H40.11Primary open-angle glaucomanon-billable header
- H40.12Low-tension glaucomanon-billable header
- H40.13Pigmentary glaucomanon-billable header
- H40.14Capsular glaucoma with pseudoexfoliation of lensnon-billable header
- H40.15Residual stage of open-angle glaucomanon-billable header
Related codes in this category
- H40.0Glaucoma suspectnon-billable header
- H40.2Primary angle-closure glaucomanon-billable header
- H40.3Glaucoma secondary to eye traumanon-billable header
- H40.4Glaucoma secondary to eye inflammationnon-billable header
- H40.5Glaucoma secondary to other eye disordersnon-billable header
- H40.6Glaucoma secondary to drugsnon-billable header
- H40.8Other glaucomanon-billable header
- H40.9Unspecified glaucoma
- H40.1Open-angle glaucomanon-billable header