Tc99m IDA (iminodiacetic acid) analogs

Last revised by Yuranga Weerakkody on 14 Jul 2021

Tc99m IDA (iminodiacetic acid) analogs are hepatobiliary agents in nuclear medicine, used in cholescintigraphy.

These include:

The use of IDA alone (Tc99m-IDA) is an older technique and "H"epatic "IDA" scan resulted in the term "HIDA" scan. Tc99m-IDA is seldom used anymore, but the term "HIDA scan" remains.

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