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Marina Posted Mon 11th of February, 2019 16:39:23 PM
What is the description for cpt code 66174?
SuperCoder Answered Tue 12th of February, 2019 02:03:23 AM

Hello Marina,

Thank you for your question.


The official CPT® code 66174 descriptor states:

Transluminal dilation of aqueous outflow canal; without retention of device or stent.


In this procedure, the provider expands the aqueous outflow canal without retaining a device or stent to treat glaucoma.

When the patient is appropriately prepped and anesthetized, the provider makes a subconjunctival incision and exposes the sclera. He creates a scleral flap above the level of the ciliary body. He further dissects the scleral flap to expose the Descemet's membrane. He injects a balanced salt solution in the ostia of the canal for dilation, and then performs paracentesis of the anterior chamber. He further expands the canal and inserts a viscoelastic material through the catheter into the canal. He then removes the catheter and closes the conjunctiva using interrupted sutures.


Hope that helps.


Please feel free to write if you have any question.


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