© Copyright 2026 American Medical Association. All rights reserved.
The procedure described by CPT® Code 0356T involves the insertion of a drug-eluting implant into the lacrimal canaliculus, which is a small duct that drains tears from the eye. This procedure includes punctal dilation and the removal of the implant if necessary. The lacrimal canaliculus connects to the lacrimal puncta, located at the inner corners of each eye, where tears are collected before draining into the nasolacrimal system. The drug-eluting implant, often referred to as an intracanalicular plug, is made from an absorbable polyethylene glycol hydrogel that is impregnated with medication. Common medications used in these implants include dexamethasone, which is utilized to manage postoperative inflammation and pain, and travoprost, which is indicated for the treatment of glaucoma and ocular hypertension. The implant is designed to provide a sustained release of the medication directly to the ocular surface, allowing for effective treatment while minimizing systemic exposure. As the implant is absorbed by the body, it typically dissolves completely after the treatment period. Additionally, a visualization agent is incorporated into the implant to facilitate monitoring of its retention and to assist in its removal if required before the treatment course is completed. This code is specifically utilized for the insertion of each implant, as well as for the removal procedure when it is performed.
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