AMA CPT® Assistant - 2003 Issue 9 (September)
Implantation of Glaucoma Drainage Device: Aqueous Shunt, Part II (September 2003)
September 2003 pages 1-2 Implantation of Glaucoma Drainage Device: Aqueous Shunt, Part II This is the second in a series of articles on the filtration and drainage procedures most commonly performed to treat glaucoma. This article will discuss implantation of drainage devices (aqueous shunts), including a brief review of relevant anatomy, clinical indications, and coding concepts. Aqueous shunt procedures are performed in the anterior segment of the eye to reduce and control intraocular pressure (IOP). The device drains (shunts) some of the aqueous fluid from the anterior chamber into a reservoir beneath the conjunctiva, lowering the pressure in the...
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