Modalities

Value	Meaning
CR	computed radiography
CT	computed tomography
DS	digital subtraction angiography
MR	magnetic resonance
NM	nuclear medicine
US	ultrasound
OT	other
AS	angioscopy
BI	biomagnetic imaging
CD	color flow doppler
CF	cinefluorography
CP	culposcopy
CS	cystoscopy
DD	duplex doppler
DF	digital fluoroscopy
DG	diaphanography
DM	digital microscopy
EC	echocardiography
ES	endoscopy
FA	fluorescein angiography
FS	fundoscopy
LP	laparoscopy
LS	laser surface scan
MA	magnetic resonance angiography
MS	magnetic resonance spectroscopy
PT	positron emission tomography
RG	radiographic imaging
ST	single photon emission computed tomography
TG	thermography
VF	videofluorography