A-Th3
A1C
AAT or A1AT
Abdominal arteriogram
Abdominal CT scan
Abdominal film
Abdominal MRI
Abdominal sonogram
Abdominal tap
Abdominal ultrasound
Abdominal wall biopsy
Abdominal wall fat pad biopsy
Abdominal x-ray
ABG
ABO blood typing
Abscess scan - radioactive
Abscess scan
Absolute eosinophil count
ACE levels
Acetaminophen - serum
Acetone bodies
Acetylcholine receptor antibody
Acetylcholinesterase
Acid fast bacilli stain
Acid loading test (pH)
Acid mucopolysaccharides
Acid perfusion test
Acid-fast stain
ACTH (Cortrosyn) stimulation test
ACTH suppression test
ACTH
Activated partial thromboplastin time
ADH
Adrenal gland removal
Adrenal medullary imaging
Adrenalectomy
Adrenalin - blood
Adrenalin-urine test
Adrenocorticotrophic hormone
Aerobic bacteria
AFB stain
AFP
Alanine transaminase
Albumin - serum
Albumin - urine
Albuminuria
Alcohol test - breath
Aldolase
Aldosterone - urine
Aldosterone
Alkaline phosphatase
Allergy testing
ALP (alkaline phosphatase) isoenzyme
ALP
Alpha fetoprotein
Alpha-1 antitrypsin
ALT
Ambulatory electrocardiography
Amikacin - serum
Amino acids - plasma
Amino acids - urine
Aminoaciduria
Aminophylline - serum
Amitriptyline - serum
Ammonium ion
Amniocentesis
AMP
Amphetamines - screen
Amsler grid test
Amylase - urine
Amylase test
ANA panel
ANA
Anaerobe
Anaerobic bacteria
Analgesics - screen
Anergy screen or panel
Angiogram
Angiography - aorta
Angiography - head
Angiography - heart
Angiography - left heart
Angiography - right heart
Angiography/arteriography of the extremity
Angiography
Anoscopy
Anthrax serology test
Anti-DNase B
Anti-gastric parietal cell antibodies
Anti-glomerular basement membrane
Anti-insulin antibody test
Anti-microsomal antibody
Anti-P antibody
Anti-smooth muscle antibody
Anti-streptolysin O titer
Antibiotic sensitivity
Antibody test for anthrax
Antibody titer
Antibody to human glomerular basement membrane
Antidepressants - screen
Antidiuretic hormone
Antimitochondrial antibody
Antinuclear antibody panel
Antiparietal cells antibodies
Antithrombin III
Antithyroglobulin antibody
Antithyroid microsomal antibody
Aortic angiography
Aortography
APCA
APGAR
ApoB100
ApoCII
Apolipoprotein B100
Apolipoprotein CII
Apoprotein B100
Apoprotein CII
APTT
Arginine test
Arginine vasopressin
Arterial blood gas analysis
Arterial plethysmography
Arterial stick
Arteriogram - abdomen
Arteriogram
Arthroscopy
Artificial kidneys
ASO titer
Aspartate aminotransferase
Aspergillosis precipitin
Aspergillus antigen skin test
Aspergillus immunodiffusion test
AST
AT III
Attention span
Audiography (audiogram)
Audiology
Audiometry
Autoimmune liver disease panel
Automated perimetry exam
AVP