H21.9
ICD-10-CMThis code signifies a general or unspecified pathological condition affecting the iris and/or ciliary body of the eye. It indicates that a disorder is present in these structures, but the specific nature or cause of the condition has not been definitively diagnosed or documented.
Use this code when documentation indicates a disorder of the iris or ciliary body, but lacks specificity regarding the type of disorder (e.g., inflammation, degeneration, atrophy). This is appropriate when the physician has not yet determined a more precise diagnosis, or when the medical record does not provide enough detail to assign a more specific code.
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