This document addresses transanal hemorrhoidal dearterialization (THD), a minimally invasive procedure utilizing Doppler guidance to interrupt the blood supply by ligation of the hemorrhoidal arteries in the lower rectum. Dearterialization by Doppler-guided transanal hemorrhoidal artery ligation is also known as HAL.

Position Statement

Investigational and Not Medically Necessary:

Doppler-guided transanal hemorrhoidal dearterialization is considered investigational and not medically necessary.