A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
(0-9)
Radioactive abscess scan
Radioactive iodine uptake
Radioactive iodine uptake and scan test - thyroid
Radiograph - dental
Radiography
Radionuclide - gallbladder
Radionuclide cisternogram
Radionuclide cystogram
Radionuclide renal perfusion scan
Radionuclide ventriculography (RNV)
RAIU
Random blood sugar
Random plasma renin
Rapid eye movement studies
Rapid plasma reagin test
Rapid strep test
RAST test
RBC (or erythrocyte) cholinesterase
RBC count
RBC G6PD test
RBC indices
RBC nuclear scan
RBC urine test
Reactive arthritis-HLA
Rectal biopsy
Rectal bleeding - biopsy
Rectal bleeding - sigmoidoscopy
Rectal culture
Rectal polyps - biopsy
Rectal sigmoidoscopy
Red blood cell casts
Red blood cell count
Red blood cell indices
Red blood cells in urine
Refraction
Regadenoson stress test
Renal angiogram
Renal angiography
Renal arteriography
Renal artery - CTA
Renal artery stenosis - arteriography
Renal biopsy
Renal calculi - calcium in your urine
Renal cancer - cytology
Renal disease - BUN
Renal failure - BUN
Renal function - creatinine
Renal function - creatinine clearance
Renal insufficiency - BUN
Renal perfusion scintigraphy
Renal perfusion scintiscan
Renal scan
Renal tubular acidosis - acid loading test
Renal tubular acidosis - citric acid test
Renal tubular epithelial casts
Renal vein thrombosis - venogram
Renal venogram
Renal biopsy
Renin blood test
Renogram
Resin T3 uptake
Respiratory failure - ABG
Respiratory inductance plethysmography
Respiratory syncytial virus antibody test
Reticulocyte count
Retinal photography
Retinol test
Retinopathy - fluorescein
Retrograde cystography
Retrograde ureteral brush biopsy cytology
Rh incompatibility - erythrocyte distribution
Rh typing
Rhabdomyolysis - myoglobin blood test
Rhabdomyolysis - myoglobin urine test
Rheumatoid arthritis - synovial biopsy
Rheumatoid factor (RF)
Rhinoscopy
Right heart catheterization
Right heart ventricular angiography
Right heart ventriculography
Right upper quadrant sonogram
Rigid sigmoidoscopy
Rotavirus antigen test
Routine eye examination
Routine urine test
RPR test
RSV antibody test
RSV serology
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