AP
Anteroposterior
bx
biopsy
CBC
complete blood count
CT
Computed tomography
DNA
deoxyribonucleic Acid
dx
diagnosis
I&D
incision and drain
lat
lateral
MRI
Magnetic resonance imaging
PET
positron emission tomography
RF
rheumatoid factor
SPECT
Single photon emission computed tomography
sx
symptom
tx
treatment
U/L
upper and lower
US
ultrasound