H40.0
Header — not billableGlaucoma suspect
The ICD-10 code for glaucoma suspect is H40.0.
H40.0 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 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 H40.0
- H40.00Preglaucoma, unspecifiednon-billable header
- H40.01Open angle with borderline findings, low risknon-billable header
- H40.02Open angle with borderline findings, high risknon-billable header
- H40.03Anatomical narrow anglenon-billable header
- H40.04Steroid respondernon-billable header
- H40.05Ocular hypertensionnon-billable header
- H40.06Primary angle closure without glaucoma damagenon-billable header
Related codes in this category
- H40.1Open-angle glaucomanon-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
- H40.0Glaucoma suspectnon-billable header