17-hydroxycorticosteroids
17-ketosteroids
17-OH progesterone
24-hour urinary aldosterone excretion rate
24-hour urine copper test
24-hour urine protein
25-hydroxy vitamin D test
5-HIAA
5'-nucleotidase
Abdominal CT scan
Abdominal film
Abdominal MRI scan
Abdominal tap
Abdominal ultrasound
Abdominal wall fat pad biopsy
Abscess scan - radioactive
ACE levels
Acetylcholine receptor antibody
Acid loading test (pH)
Acid mucopolysaccharides
Acid-fast stain
ACTH
ACTH (cosyntropin) stimulation test
ADH
Adrenalectomy
Aerobic bacteria
Albumin - serum
Aldolase test
Aldosterone
Allergy testing
ALP
ALP isoenzyme test
Alpha fetoprotein
Alpha-1 antitrypsin
ALT
Aminoaciduria
Ammonium ion
Amniocentesis
Amylase - blood
Amylase - urine
Anaerobic bacteria
Anoscopy
Anti-DNase B
Anti-glomerular basement membrane
Anti-insulin antibody test
Anti-smooth muscle antibody
Antibody titer
Antimitochondrial antibody
Antinuclear antibody panel
Antiparietal cells antibodies
Antistreptolysin O titer
Antithrombin III
Antithyroglobulin antibody
Antithyroid microsomal antibody
Aortic angiography
APGAR
Apolipoprotein B100
Apolipoprotein CII
Arm CT scan
Arm MRI scan
Arterial stick
Arteriogram
Arthroscopy
Aspergillosis precipitin
AST
Audiology
Autoimmune liver disease panel
B and T cell screen
B-cell leukemia/lymphoma panel
BAER - brainstem auditory evoked response
Barium enema
Basic metabolic panel
Bence-Jones protein - quantitative
Bernstein test
Beta-carotene test
Bile culture
Bilirubin - blood
Bilirubin - urine
Biopsy
Biopsy - biliary tract
Biopsy - polyps
Bladder biopsy
Bleeding time
Blood culture
Blood differential
Blood flow studies
Blood gases
Blood glucose monitoring
Blood pressure
Blood smear
Blood typing
Bone lesion biopsy
Bone marrow aspiration
Bone marrow biopsy
Bone marrow culture
Bone mineral density test
Bone scan
Bone x-ray
Bowel transit time
Brain PET scan
Breast biopsy
Breast MRI scan
Breast ultrasound
Breath alcohol test
Bronchoscopic culture
Bronchoscopy
Bronchoscopy with transbronchial biopsy
Buccal smear
BUN
C-reactive protein
C1 esterase inhibitor
CA-125
Calcitonin
Calcium - ionized
Calcium - urine
Caloric stimulation
Campylobacter serology test
Capillary nail refill test
Capillary sample
Cardiac catheterization
Carotid duplex
Carpal tunnel biopsy
Catecholamines - blood
Catecholamines - urine
CBC
CEA
Cerebral angiography
Cerebral spinal fluid (CSF) collection
Cerebrospinal fluid culture
Ceruloplasmin
Cervical biopsy
Cervical MRI scan
Cervical spine CT scan
Chest MRI
Chest tomogram
Chest x-ray
Chloride - urine
Chloride test - blood
Cholesterol test
Chorionic villus sampling
Citric acid urine test
CMV serology test
CO2 blood test
Coccidioides complement fixation
Coccidioides precipitin
Coccidioidin skin test
Cold knife cone biopsy
Cold stimulation test for Raynaud's phenomenon
Colonoscopy
Color vision test
Colposcopy - directed biopsy
Complement
Complement component 3 (C3)
Complement component 4
Complement fixation test to C. burnetii
Comprehensive metabolic panel
Coombs' test
Cord blood
Coronary angiography
Coronary risk profile
Cortisol - urine
Cortisol level
CPK isoenzymes test
Cranial CT scan
Creatine phosphokinase test
Creatinine - serum
Creatinine - urine
Creatinine clearance
Cryoglobulins
CSD skin test
CSF analysis
CSF cell count
CSF coccidioides complement fixation
CSF glucose test
CSF myelin basic protein
CSF oligoclonal banding
CSF smear
CSF total protein
CSF-VDRL test
CT scan
Culdocentesis
Culture - colonic tissue
Culture - duodenal tissue
Culture - endocervix
Culture - joint fluid
Cystometric study
Cystoscopy
Cytology exam of pleural fluid
Cytology exam of urine
D-xylose absorption
Delta-ALA
Dental plaque identification at home
Dental x-rays
Dexamethasone suppression test
DHEA-sulfate - serum
Diagnostic laparoscopy
Dialysis
Digital rectal exam
Digitoxin - test
Digoxin test
Donath-Landsteiner test
Doppler ultrasound exam of an arm or leg
Duplex ultrasound
Ear drainage culture
Ear examination
Echocardiogram
EEG
EGD - esophagogastroduodenoscopy
Electrocardiogram
Electroconvulsive therapy
Electrolytes - urine
Electromyography
Electronystagmography
Electroretinography
ELISA
ELISA/Western blot tests for HIV
Endocervical gram stain
Endometrial biopsy
Endoscopy
Endotracheal intubation
Enteroclysis
Enteroscopy
Eosinophil count - absolute
Epstein-Barr virus test
ERCP
Erection self-test
Erythropoietin test
Esophageal culture
Esophageal manometry
Esophageal pH monitoring
ESR
Estradiol test
Ethylene glycol test
Euglobulin lysis time
Exercise stress test
Extraocular muscle function testing
Extremity arteriography
Extremity x-ray
Eye and orbit ultrasound
Factor II assay
Factor IX assay
Factor V assay
Factor VII assay
Factor VIII assay
Factor X assay
Factor XII assay
Febrile/cold agglutinins
Fecal culture
Fecal fat
Fecal occult blood test (FOBT)
Fecal smear
Ferritin
Fetal echocardiography
Fetal heart monitoring
Fetal scalp pH testing
Fetal-maternal erythrocyte distribution
Fibrin degradation products
Fibrinogen
Fibrinopeptide A
Fine needle aspiration of the thyroid
Fluorescein angiography
Fluorescein eye stain
Flushable reagent stool blood test
Folic acid - test
Fractional excretion of sodium
FSH
FTA-ABS test
Galactose-1-phosphate uridyltransferase
Gallbladder radionuclide scan
Gallium scan
Gamma-glutamyl transpeptidase
Gastric culture
Gastric suction
Gastric tissue biopsy and culture
Gastrin
Glomerular filtration rate
Glucagon
Glucose test - blood
Glucose test - urine
Glucose tolerance test
Glucose-6-phosphate dehydrogenase
Gram stain of skin lesion
Gram stain of tissue biopsy
Gram stain of urethral discharge
Granulocyte
Growth hormone stimulation test
Growth hormone suppression test
Growth hormone test
Gum biopsy
Gynecologic laparoscopy
Ham test
Hand x-ray
Haptoglobin
HbA1c
HCG blood test - qualitative
HCG blood test - quantitative
HCG in urine
HDL test
Head MRI
Heart CT scan
Heart MRI
Heart PET scan
Hematocrit
Hemoglobin
Hemoglobin derivatives
Hemoglobin electrophoresis
Hemoglobinuria
Hepatitis virus panel
Herpes viral culture of lesion
His bundle electrography
Histocompatibility antigen test
Histoplasma complement fixation
Histoplasma skin test
HLA-B27 antigen
Holter monitor (24h)
Home vision tests
Hormone levels
Human placental lactogen
Hyperplasia
Hypochromia
Hysterosalpingography
Immunoelectrophoresis - serum
Immunoelectrophoresis - urine
Immunofixation - serum
Immunofixation - urine
Insulin C-peptide
Intracardiac electrophysiology study (EPS)
Intracranial pressure monitoring
Intravenous pyelogram
Joint fluid gram stain
Joint x-ray
Karyotyping
Ketones - urine
Kidney function tests
Knee CT scan
Knee MRI scan
Lactate dehydrogenase test
Lactic acid test
Lactose tolerance tests
Laparoscopy
Laryngoscopy
Latex agglutination test
LDH isoenzymes
LDL test
LE cell test
Lead levels - blood
Left heart catheterization
Left heart ventricular angiography
Leg CT scan
Leg MRI scan
Lepromin skin test
Leucine aminopeptidase - blood
Leucine aminopeptidase - urine
Leukocyte alkaline phosphatase
Leukocyte esterase
LH blood test
LH response to GnRH
LH urine test (home test)
Limb plethysmography
Lipase test
Lipoprotein-a
Liver biopsy
Liver function tests
Liver scan
Lumbar MRI scan
Lumbar spine CT scan
Lumbosacral spine CT
Lumbosacral spine x-ray
Lung diffusion testing
Lung gallium scan
Lung needle biopsy
Lung PET scan
Lung plethysmography
Lyme disease antibody
Lymph node biopsy
Lymph node culture
Lymphangiogram
Magnetic resonance angiography
Mammography
Mediastinoscopy with biopsy
Mental status tests
Mesenteric arteriography
Methanol test
Methylene blue test
Methylmalonic acid test
MIBG scintiscan
Microalbuminuria test
Mononucleosis spot test
MRI
Muscle biopsy
Mycobacterial culture
Myocardial biopsy
Myoglobin - serum
Myoglobin - urine
Nasal mucosal biopsy
Nasopharyngeal culture
Neck x-ray
Neonatal cystic fibrosis screening
Nerve biopsy
Nerve conduction velocity
Newborn screening tests
Nitroblue tetrazolium test
Nuclear ventriculography
Open lung biopsy
Open pleural biopsy
Ophthalmoscopy
Oral cholecystogram
Orbit CT scan
Oropharynx lesion biopsy
Osmolality - blood
Osmolality - urine
Osmotic fragility
Pap smear
Parathyroid biopsy
Partial thromboplastin time (PTT)
PBG test
Peak expiratory flow rate
Pelvic CT scan
Pelvis MRI scan
Pelvis x-ray
Percutaneous transhepatic cholangiogram
Pericardial fluid culture
Pericardial fluid gram stain
Pericardiocentesis
Peritoneal fluid analysis
Peritoneal fluid culture
PET scan
Pinworm test
Plasma amino acids
Platelet aggregation test
Platelet associated antibodies
Platelet count
Plethysmography
Pleural fluid analysis
Pleural fluid culture
Pleural fluid gram stain
Pleural fluid smear
Pleural needle biopsy
Polysomnography
Porphyrins - blood
Porphyrins - urine
Potassium - urine
Potassium test
PPD skin test
Pregnancy test
Pregnancy ultrasound
Pregnanediol
Prolactin
Protein - urine
Protein C
Protein electrophoresis - serum
Protein electrophoresis - urine
Protein S
Prothrombin time (PT)
PSA
PTH
PTH-related protein
Pulmonary angiography
Pulmonary function tests
Pulmonary ventilation/perfusion scan
Pulse
Pyruvate kinase
Quadruple screen test
Quantitative immunoglobulins - nephelometry
Radioactive iodine uptake
Radionuclide cisternogram
Radionuclide cystogram
RBC - urine
RBC count
RBC indices
RBC nuclear scan
Rectal biopsy
Rectal culture
Refraction test
Renal arteriography
Renal biopsy
Renal perfusion scintiscan
Renal scan
Renal venogram
Renin
Reticulocyte count
Retrograde cystography
Rheumatoid factor (RF)
Right heart ventriculography
Rotavirus antigen test
Routine sputum culture
RPR test
RSV antibody test
Salivary gland biopsy
Schilling test
Schirmer's test
Secretin stimulation test
Semen analysis
Sensitivity analysis
Serologic test for B. anthracis
Serology
Serology for brucellosis
Serology for tularemia
Serum calcium
Serum cholinesterase
Serum chromium
Serum globulin electrophoresis
Serum hemoglobin
Serum herpes simplex antibodies
Serum iron
Serum ketones test
Serum magnesium - test
Serum phenylalanine screening
Serum phosphorus
Serum progesterone
Serum serotonin level
Serum TBG level
Shoulder CT scan
Shoulder MRI scan
Sialogram
Sickle cell test
Sigmoidoscopy
Sinus CT scan
Sinus MRI scan
Sinus x-ray
Skin culture
Skin lesion aspiration
Skin lesion biopsy
Skin lesion KOH exam
Skin self-exam
Skull x-ray
Slit-lamp exam
Small bowel tissue smear
Small intestine aspirate and culture
Smear of duodenal fluid aspirate
Sodium - blood
Sodium - urine
Sputum direct fluorescent antibody (DFA)
Sputum fungal smear
Sputum gram stain
Sputum stain for mycobacteria
Standard ophthalmic exam
Stomach acid test
Stool C. difficile toxin
Stool Gram stain
Stool guaiac test
Stool ova and parasites exam
Streptococcal screen
Stress echocardiography
String test
Sugar-water hemolysis test
Swan-Ganz - right heart catheterization
Sweat electrolytes test
Synovial biopsy
Synovial fluid analysis
T-cell count
T3
T3RU test
T4 test
Tartrate resistant acid phosphatase test
Temperature measurement
Tensilon test
Testicle ultrasound
Testicular biopsy
Testicular self-examination
Testosterone
Thallium stress test
Therapeutic drug levels
Thoracentesis
Thoracic CT
Thoracic spine x-ray
Throat swab culture
Thyroid excisional biopsy
Thyroid function tests
Thyroid scan
Thyroid ultrasound
Tongue biopsy
Tonometry
TORCH screen
Total iron binding capacity
Total protein
Toxicology screen
Toxoplasma test
Transillumination
Transvaginal ultrasound
Triglyceride level
Trypsin and chymotrypsin in stool
Trypsinogen test
TSH
TSI
Tuberculin tine test
Tympanometry
Ultrasound
Upper airway biopsy
Upper GI and small bowel series
Urea nitrogen - urine
Ureteral retrograde brush biopsy cytology
Urethral discharge culture
Uric acid - blood
Uric acid - urine
Urinalysis
Urinary casts
Urine 24-hour volume
Urine chemistry
Urine collection - infants
Urine concentration test
Urine culture - catheterized specimen
Urine culture - clean catch
Urine drug screen
Urine melanin
Urine pH
Urine specific gravity
Uroflowmetry
Vaginitis test - wet mount
Vasoactive intestinal polypeptide
VDRL test
Venipuncture
Venogram
Venogram - leg
Virtual colonoscopy
Visual acuity test
Visual field
Vitamin A test
Vitamin B12 level
VLDL test
Voiding cystourethrogram
WBC count
WBC scan
Wood's lamp examination
X-ray
X-ray - skeleton