H57.02
Anisocoria
Approximate Synonyms
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Anisocoria unequal size of pupils)
Clinical Information
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Unequal pupil size, which may represent a benign physiologic variant or a manifestation of disease. Pathologic anisocoria reflects an abnormality in the musculature of the iris iris diseases) or in the parasympathetic or sympathetic pathways that innervate the pupil. Physiologic anisocoria refers to an asymmetry of pupil diameter, usually less than 2mm, that is not associated with disease.
Details
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H57.02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM H57.02 became effective on October 1, 2022.
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This is the American ICD-10-CM version of H57.02 – other international versions of ICD-10 H57.02 may differ.