Open angle with borderline findings, high risk, unsp eye

This code signifies a diagnosis of open-angle glaucoma where the optic nerve or visual field findings are borderline, indicating a high risk for developing definitive glaucoma. It represents a stage where the patient does not yet meet the full diagnostic criteria for glaucoma but exhibits concerning signs.

This code is appropriate for patients presenting with elevated intraocular pressure (IOP) and/or suspicious optic disc changes or visual field defects that are not yet conclusive for glaucoma. Documentation should clearly state "borderline findings," "high risk," or similar terminology, along with the open-angle type.

• Ensure documentation specifies "unspecified eye" if laterality is not documented.
• Distinguish from definitive open-angle glaucoma codes (H40.1x) which indicate established disease.
• Avoid using if the patient has confirmed glaucoma or is merely a glaucoma suspect without borderline findings.