The type of imaging or radiodiagnostic equipment used for IMAGING OR RADIODIAGNOSTIC EVENTS.

Classification:

a.	Computed Tomography
b.	Magnetic Resonance Imaging
c.	Obstetric Ultrasound
d.	Non-obstetric Ultrasound
e.	Radio-isotopes
f.	Radiographs without fluoroscopy
g.	Fluoroscopy with or without radiographs

Note: c. above includes any ultrasound demonstrating a pregnancy viable or otherwise. 

This attribute is also known by these names:

Context	Alias
plural	IMAGING MODALITIES