Modalities

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