Unspecified hypotony of eye

This code describes a condition where the intraocular pressure (IOP) of the eye is abnormally low, but the specific cause or type of hypotony is not documented. It indicates a generalized decrease in the eye's internal pressure without further diagnostic specificity.

Use this code when documentation indicates hypotony of the eye, but the physician has not specified the underlying etiology (e.g., post-surgical, traumatic, ciliary body dysfunction). This code is appropriate when the medical record lacks details to assign a more specific hypotony code.

• Avoid using this code if the documentation provides enough detail to assign a more specific hypotony code (e.g., H44.41- for post-surgical hypotony).
• Query the provider for clarification if the medical record mentions hypotony but lacks specificity regarding its cause or type.
• This code should be used as a last resort when no further information about the hypotony is available.