AHA Coding Clinic® for ICD-9 - 2007 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES

Intraoperative Floppy Iris Syndrome

Effective October 1, 2007, code 364.81, Intraoperative floppy iris syndrome, has been created for intraoperative floppy iris syndrome (IFIS). IFIS is a newly identified condition that occurs during cataract surgery. It is characterized by loss of muscle tone in the iris that is most commonly associated with an alpha-1 blocker (adrenoreceptor antagonist). The alpha-1 blocker is widely prescribed for the treatment of benign prostatic hyperplasia in men and urinary retention in women. As it is important that the pupil remain stable and dilated during cataract surgery, IFIS increases the risk of posterior capsular rupture and other surgical complications...

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