Low-tension glaucoma, bilateral, indeterminate stage

This code signifies a form of primary open-angle glaucoma characterized by optic nerve damage and visual field loss despite statistically normal intraocular pressure (IOP). It indicates that both eyes are affected, and the specific stage of the disease progression is not yet determined or documented.

Apply this code when documentation explicitly states low-tension or normal-tension glaucoma affecting both eyes, and the provider has not specified a stage (e.g., mild, moderate, severe). Supporting documentation includes ophthalmological exam notes detailing optic nerve changes, visual field defects, and IOP readings consistently within the normal range.

• Ensure documentation clearly specifies "bilateral" involvement; otherwise, use a unilateral code.
• Avoid using this code if a specific stage of glaucoma (e.g., mild, moderate, severe) is documented; instead, select the appropriate stage-specific code.
• This code is for primary low-tension glaucoma; secondary forms would require a different code.