There are multiple definitions:

1. Health Industry Distributors Association(English)

   • Health care industry
   • https://www.hida.org/

2. hydroxy or diisopropyl iminodiacetic acid(English)

   • used in biliary tract imaging
   • IDA
   • Diagnostics, Imaging, Biliary tract
   • https://fpnoteb…y/Rad/HdScn.htm