Written by Fred F. Ferri, MD, FACP, author of many best-selling books for primary care practice, "Ferri's Best Test, 2nd Edition", equips you to quickly choose the most efficient and cost-effective diagnostic approach, including imaging or lab tests. Updates throughout, including more than 180 new tests...additional diagnostic modalities...and new algorithms...make this unique and user-friendly reference a must for determining which diagnostic tests to order. A portable, pocket-sized format allows for convenient consultation anytime, anywhere.

Table of Contents:
SECTION I Diagnostic imaging A. Abdominal/GI imaging 1. Abdominal film, plain (kidney, ureter, and bladder [KUB]) 2. Barium enema 3. Barium swallow (esophagram) 4. Upper GI series (UGI) 5. Computed tomographic colonoscopy (CTC, Virtual colonoscopy) 6. CT of abdomen/pelvis 7. Helical or spiral CT of abdomen/pelvis 8. Hepatobiliary (iminodiacetic acid [IDA]) scan 9. Endoscopic retrograde cholangiopancreatography (ERCP) 10. Percutaneous biliary procedures 11. Magnetic resonance cholangiography (MRCP) 12. Meckel scan (TC-99m pertechnetate scintigraphy) 13. MRI of abdomen 14. Small-bowel series 15. Tc99m sulfur colloid scintigraphy (Tc99mSC) for GI bleeding 16. Tc-99m-labeled RBC scintigraphy for GI bleeding 17. Ultrasound of abdomen 18. Ultrasound of appendix 19. Ultrasound of gallbladder and bile ducts 20. Ultrasound of liver 21. Ultrasound of pancreas 22. Ultrasound of spleen 23. Video capsule endoscopy (VCE) B. Breast imaging 1. Mammogram 2. Breast ultrasound 3. Magnetic resonance imaging of breast C. Cardiac imaging 1. Stress echocardiography 2. Cardiovascular radionuclide imaging (Thallium, Sestamibi, Dipyridamole [Persantine] scan) 3. Cardiac MRI (CMR) 4. Multidetector computed tomography 5. Trans-esophageal echocardiogram (TEE) 6. Trans-thoracic echocardiography D. Chest imaging 1. Chest x-ray 2. CT of chest 3. Helical (Spiral) CT of chest 4. MRI of chest E. Endocrine imaging 1. Adrenal medullary scintigraphy (meta-iodobenzylguanidine [MIBG] scan) 2. Parathyroid scan 3. Thyroid scan 4. Thyroid ultrasound F. Genitourinary imaging 1. Obstetrical ultrasound 2. Pelvic ultrasound 3. Prostate ultrasound 4. Renal ultrasound 5. Scrotal ultrasound 6. Transvaginal (endovaginal) ultrasound 7. Urinary bladder ultrasound 8. Hysterosalpingography (HSG) 9. Intravenous pyelography (IVP) and retrograde pyelography G. Musculoskeletal and spinal cord imaging 1. Plain x-ray films of skeletal system 2. Bone densitometry (dual-energy x-ray absorptiometry [DEXA] scan) 3. MRI of spine 4. MRI of shoulder 5. MRI of hip 6. MRI of pelvis 7. MRI of knee 8. CT of spinal cord 9. Arthrography 10. CT myelography 11. Nuclear imaging (Bone scan, Gallium scan, WBC scan) H. Neuroimaging of brain 1. CT of brain 2. MRI of brain I. Positron emission tomography (PET) J. Single photon emission computed tomography (SPECT) K. Vascular imaging 1. Angiography 2. Aorta ultrasound 3. Arterial ultrasound 4. Captopril renal scan (CRS) 5. Carotid ultrasonography 6. Computed tomographic angiography (CTA) 7. Magnetic resonance angiography (MRA) 8. Magnetic resonance direct thrombus imaging (MRDTI) 9. Pulmonary angiography 10. Transcranial Doppler 11. Venography 12. Venous Doppler ultrasound 13. Ventilation/perfusion lung scan (V/Q Scan) L. Oncology 1. Whole body integrated (dual modality) positron emission tomography (PET) and CT (PET/CT) 2. Whole body MRI SECTION II Laboratory values and interpretation of results ACE level * Acetone (serum and plasma) * Acetylcholine receptor (AchR) antibody * Acid phosphatase * Acid serum test * Activated clotting time (ACT) * Activated partial thromboplastin time (APTT) * Adrenocorticotropic hormone * Alanine aminopeptidase * Alanine aminotransferase * Albumin (serum) * Alcohol dehydrogenase * Aldolase (serum) * Aldosterone (plasma) * Alkaline phosphatase (serum) * Alpha-1-antitrypsin (serum) * Alpha-1-fetoprotein (serum) * ALT * Aluminum (serum) * AMA * Amebiasis serological test * Aminolevulic acid (d-ALA) (24 h urine collection) * Ammonia (serum) * Amylase (serum) * Amylase, Urine * Amyloid A protein (serum) * ANA * ANCA * Androstenedione (serum) * Angiotensin II * Angiotensin-converting enzyme (ACE level) * ANH * Anion gap * Anticardiolipin antibody (ACA) * Anticoagulant * Anti-HCV * Antidiuretic hormone * Anti-DNA * Anti-dsDNA * Anti-globin test, direct * Antiglomerular basement antibody * Antihistone * Antimitochondrial antibody (AMA) * Antineutrophil cytoplasmic antibody (ANCA) * Antinuclear antibody (ANA) * Antiphospholipid * Antibody * Anti-RNP Antibody * Anti-Scl-70 * Anti-Sm (anti-Smith) Antibody * Anti-smooth muscle antibody * Antistreptolysin O titer * Antithrombin III * Apolipoprotein A-I (Apo A-I) * Apolipoprotein B (Apo B) * Arterial blood gases * Arthrocentesis fluid * ASLO titer * Aspartate aminotransferase (AST, SGOT) * Atrial natriuretic hormone (ANH) * Basophil count * Bicarbonate * Bile acid breath test * Bile, urine * Bilirubin, direct * Bilirubin, indirect * Bilirubin, total * Bilirubin, urine * Bladder tumor associated antigen * Bleeding time * Blood volume, total * Bordetella pertussis serology * BRCA-1,BRCA-2 * Breath hydrogen test * B-type natriuretic peptide * Bun * C3 * C4 * CA 15-3 * CA 27-29 * CA 72-4 * CA 125 * Calcitonin (serum) * Calcium (serum) * Calcium, urine * Cancer antigen 15-3 (CA 15-3) * Cancer antigen 27-29 (CA 27-29) * Cancer antigen 72-4 * (CA 72-4) * Cancer antigen 125 (CA 125) * Captopril stimulation test * Carbamazepine (tegretol) * Carbohydrate antigen 19-9 * Carbon dioxide, partial pressure * Carbon monoxide * Carboxyhemoglobin * Cardiac markers (serum) * Cardiac troponins * Carcinoembryonic antigen (CEA) * Cardio-CRP * Carotene (serum) * Catecholamines, urine * CBC * CCK-PZ * CD4 T-lymphocyte count (CD4 T-cells) * CD40 ligand * CEA * Cerebrospinal fluid (CSF) * Ceruloplasmin (serum) * Chlamydia group antibody serological test * Chlamydia trachomatis PCR * Chloride, serum * Chloride (sweat) * Chloride, urine * Cholecystokinin-pancreozymin (CCK, CCK-PZ) * Cholesterol, low-density lipoprotein * Lipoprotein cholesterol * Cholesterol, high-density lipoprotein * Lipoprotein cholesterol * Cholesterol, total * Chorionic gonadotropins, human (serum) * Chymotrypsin * Circulating anticoagulant (antiphospholipid antibody, lupus anticoagulant) * Clonidine suppression test * CK * Clonidine suppression test * Clostridium difficile toxin assay (stool) * CO * Coagulation factors * Cold agglutinins titer * Complement (C3, C4) * Complete blood count (CBC) * Coombs, direct (Antiglobulin Test, Direct, DAT) * Coombs, indirect * CPK * Copper (serum) * Copper, urine * Corticotropin releasing hormone (CRH) stimulation test * Cortisol (plasma) * C-peptide * CPK * C-reactive protein * Creatinine kinase (CK, CPK) * Creatinine kinase isoenzymes * CK-MB * CK-MM * CK-BB * Creatinine (serum) * Creatinine clearance * Creatinine, urine * Cryoglobulins (serum) * Cryptosporidium antigen by EIA (stool) * CSF * Cystatin C * Cystic Fibrosis PCR * Cytomegalovirus by PCR * D-Dimer * Dehydroepiandrosterone sulfate * Deoxycorticosterone (11-deoxycorticosterone, doc), serum * Dexamethasone suppression test, overnight * Dihydrotestosterone serum, urine * Disaccharideabsorption tests * DOC * Donath-Landsteiner (D-L) test for paroxysmal cold hemoglobinuria * d-Xylose absorption test * Digoxin (lanoxin) * Dilantin * Dopamine * Electrolytes, urine * Electrophoresis, hemoglobin * Electrophoresis, protein * ENA-complex * Endomysial antibodies * Eosinophil count * Epinephrine, plasma * Epstein-Barr virus serology * Erythrocyte sedimentation rate (ESR) (Westergren) * Erythropoietin (EP) * Estradiol (serum) * Estrogens, total * Ethanol (blood) * Extractable nuclear antigen (ENA complex, anti-RNP antibody, anti-Sm, anti-Smith) * FDP * Factor V leiden * Fecal fat, qualitative * Fecal fat, quantitative * Fecal globin immunochemical test * Ferritin (serum) * Fibrin degradation products (FDP) * Fibrinogen * Fluorescent treponemal antibody * Folate (folic acid) * Follicle stimulating hormone * Free T4 * Free thyroxine index * FSH * FTA-ABS (serum) * Furosemide stimulation test * Gamma-glutamyl transferase (GGT) * Gastrin (serum) * Gastrin stimulation test * Gliadin antibodies, IgA and IgG * Glomerular basement membrane antibody * Glomerular filtration rate * Glucagon * Glucose fasting * Glucose, post-prandial * Glucose tolerance test * Glucose-6-phosphate dehydrogenase screen (blood) * aACE level * Acetone (serum and plasma) * Acetylcholine receptor (AchR) antibody * Acid phosphatase * Acid serum test * Activated clotting time (ACT) * Activated partial thromboplastin time (APTT) * Adrenocorticotropic hormone * Alanine aminopeptidase * Alanine aminotransferase * Albumin (serum) * Alcohol dehydrogenase * Aldolase (serum) * Aldosterone (plasma) * Alkaline phosphatase (serum) * Alpha-1-antitrypsin (serum) * Alpha-1-fetoprotein (serum) * ALT * Aluminum (serum) * AMA * Amebiasis serological test * Aminolevulic acid (d-ALA) (24 h urine collection) * Ammonia (serum) * Amylase (serum) * Amylase, Urine * Amyloid A protein (serum) * ANA * ANCA * Androstenedione (serum) * Angiotensin II * Angiotensin-converting enzyme (ACE level) * ANH * Anion gap * Anticardiolipin antibody (ACA) * Anticoagulant * Anti-HCV * Antidiuretic hormone * Anti-DNA * Anti-dsDNA * Anti-globin test, direct * Antiglomerular basement antibody * Antihistone * Antimitochondrial antibody (AMA) * Antineutrophil cytoplasmic antibody (ANCA) * Antinuclear antibody (ANA) * Antiphospholipid * Antibody * Anti-RNP Antibody * Anti-Scl-70 * Anti-Sm (anti-Smith) Antibody * Anti-smooth muscle antibody * Antistreptolysin O titer * Antithrombin III * Apolipoprotein A-I (Apo A-I) * Apolipoprotein B (Apo B) * Arterial blood gases * Arthrocentesis fluid * ASLO titer * Aspartate aminotransferase (AST, SGOT) * Atrial natriuretic hormone (ANH) * Basophil count * Bicarbonate * Bile acid breath test * Bile, urine * Bilirubin, direct * Bilirubin, indirect * Bilirubin, total * Bilirubin, urine * Bladder tumor associated antigen * Bleeding time * Blood volume, total * Bordetella pertussis serology * BRCA-1,BRCA-2 * Breath hydrogen test * B-type natriuretic peptide * Bun * C3 * C4 * CA 15-3 * CA 27-29 * CA 72-4 * CA 125 * Calcitonin (serum) * Calcium (serum) * Calcium, urine * Cancer antigen 15-3 (CA 15-3) * Cancer antigen 27-29 (CA 27-29) * Cancer antigen 72-4 * (CA 72-4) * Cancer antigen 125 (CA 125) * Captopril stimulation test * Carbamazepine (tegretol) * Carbohydrate antigen 19-9 * Carbon dioxide, partial pressure * Carbon monoxide * Carboxyhemoglobin * Cardiac markers (serum) * Cardiac troponins * Carcinoembryonic antigen (CEA) * Cardio-CRP * Carotene (serum) * Catecholamines, urine * CBC * CCK-PZ * CD4 T-lymphocyte count (CD4 T-cells) * CD40 ligand * CEA * Cerebrospinal fluid (CSF) * Ceruloplasmin (serum) * Chlamydia group antibody serological test * Chlamydia trachomatis PCR * Chloride, serum * Chloride (sweat) * Chloride, urine * Cholecystokinin-pancreozymin (CCK, CCK-PZ) * Cholesterol, low-density lipoprotein * Lipoprotein cholesterol * Cholesterol, high-density lipoprotein * Lipoprotein cholesterol * Cholesterol, total * Chorionic gonadotropins, human (serum) * Chymotrypsin * Circulating anticoagulant (antiphospholipid antibody, lupus anticoagulant) * Clonidine suppression test * CK * Clonidine suppression test * Clostridium difficile toxin assay (stool) * CO * Coagulation factors * Cold agglutinins titer * Complement (C3, C4) * Complete blood count (CBC) * Coombs, direct (Antiglobulin Test, Direct, DAT) * Coombs, indirect * CPK * Copper (serum) * Copper, urine * Corticotropin releasing hormone (CRH) stimulation test * Cortisol (plasma) * C-peptide * CPK * C-reactive protein * Creatinine kinase (CK, CPK) * Creatinine kinase isoenzymes * CK-MB * CK-MM * CK-BB * Creatinine (serum) * Creatinine clearance * Creatinine, urine * Cryoglobulins (serum) * Cryptosporidium antigen by EIA (stool) * CSF * Cystatin C * Cystic Fibrosis PCR * Cytomegalovirus by PCR * D-Dimer * Dehydroepiandrosterone sulfate * Deoxycorticosterone (11-deoxycorticosterone, doc), serum * Dexamethasone suppression test, overnight * Dihydrotestosterone serum, urine * Disaccharideabsorption tests * DOC * Donath-Landsteiner (D-L) test for paroxysmal cold hemoglobinuria * d-Xylose absorption test * Digoxin (lanoxin) * Dilantin * Dopamine * Electrolytes, urine * Electrophoresis, hemoglobin * Electrophoresis, protein * ENA-complex * Endomysial antibodies * Eosinophil count * Epinephrine, plasma * Epstein-Barr virus serology * Erythrocyte sedimentation rate (ESR) (Westergren) * Erythropoietin (EP) * Estradiol (serum) * Estrogens, total * Ethanol (blood) * Extractable nuclear antigen (ENA complex, anti-RNP antibody, anti-Sm, anti-Smith) * FDP * Factor V leiden * Fecal fat, qualitative * Fecal fat, quantitative * Fecal globin immunochemical test * Ferritin (serum) * Fibrin degradation products (FDP) * Fibrinogen * Fluorescent treponemal antibody * Folate (folic acid) * Follicle stimulating hormone * Free T4 * Free thyroxine index * FSH * FTA-ABS (serum) * Furosemide stimulation test * Gamma-glutamyl transferase (GGT) * Gastrin (serum) * Gastrin stimulation test * Gliadin antibodies, IgA and IgG * Glomerular basement membrane antibody * Glomerular filtration rate * Glucagon * Glucose fasting * Glucose, post-prandial * Glucose tolerance test * Glucose-6-phosphate dehydrogenase screen (blood) * aACE level * Acetone (serum and plasma) * Acetylcholine receptor (AchR) antibody * Acid phosphatase * Acid serum test * Activated clotting time (ACT) * Activated partial thromboplastin time (APTT) * Adrenocorticotropic hormone * Alanine aminopeptidase * Alanine aminotransferase * Albumin (serum) * Alcohol dehydrogenase * Aldolase (serum) * Aldosterone (plasma) * Alkaline phosphatase (serum) * Alpha-1-antitrypsin (serum) * Alpha-1-fetoprotein (serum) * ALT * Aluminum (serum) * AMA * Amebiasis serological test * Aminolevulic acid (d-ALA) (24 h urine collection) * Ammonia (serum) * Amylase (serum) * Amylase, Urine * Amyloid A protein (serum) * ANA * ANCA * Androstenedione (serum) * Angiotensin II * Angiotensin-converting enzyme (ACE level) * ANH * Anion gap * Anticardiolipin antibody (ACA) * Anticoagulant * Anti-HCV * Antidiuretic hormone * Anti-DNA * Anti-dsDNA * Anti-globin test, direct * Antiglomerular basement antibody * Antihistone * Antimitochondrial antibody (AMA) * Antineutrophil cytoplasmic antibody (ANCA) * Antinuclear antibody (ANA) * Antiphospholipid * Antibody * Anti-RNP Antibody * Anti-Scl-70 * Anti-Sm (anti-Smith) Antibody * Anti-smooth muscle antibody * Antistreptolysin O titer * Antithrombin III * Apolipoprotein A-I (Apo A-I) * Apolipoprotein B (Apo B) * Arterial blood gases * Arthrocentesis fluid * ASLO titer * Aspartate aminotransferase (AST, SGOT) * Atrial natriuretic hormone (ANH) * Basophil count * Bicarbonate * Bile acid breath test * Bile, urine * Bilirubin, direct * Bilirubin, indirect * Bilirubin, total * Bilirubin, urine * Bladder tumor associated antigen * Bleeding time * Blood volume, total * Bordetella pertussis serology * BRCA-1,BRCA-2 * Breath hydrogen test * B-type natriuretic peptide * Bun * C3 * C4 * CA 15-3 * CA 27-29 * CA 72-4 * CA 125 * Calcitonin (serum) * Calcium (serum) * Calcium, urine * Cancer antigen 15-3 (CA 15-3) * Cancer antigen 27-29 (CA 27-29) * Cancer antigen 72-4 * (CA 72-4) * Cancer antigen 125 (CA 125) * Captopril stimulation test * Carbamazepine (tegretol) * Carbohydrate antigen 19-9 * Carbon dioxide, partial pressure * Carbon monoxide * Carboxyhemoglobin * Cardiac markers (serum) * Cardiac troponins * Carcinoembryonic antigen (CEA) * Cardio-CRP * Carotene (serum) * Catecholamines, urine * CBC * CCK-PZ * CD4 T-lymphocyte count (CD4 T-cells) * CD40 ligand * CEA * Cerebrospinal fluid (CSF) * Ceruloplasmin (serum) * Chlamydia group antibody serological test * Chlamydia trachomatis PCR * Chloride, serum * Chloride (sweat) * Chloride, urine * Cholecystokinin-pancreozymin (CCK, CCK-PZ) * Cholesterol, low-density lipoprotein * Lipoprotein cholesterol * Cholesterol, high-density lipoprotein * Lipoprotein cholesterol * Cholesterol, total * Chorionic gonadotropins, human (serum) * Chymotrypsin * Circulating anticoagulant (antiphospholipid antibody, lupus anticoagulant) * Clonidine suppression test * CK * Clonidine suppression test * Clostridium difficile toxin assay (stool) * CO * Coagulation factors * Cold agglutinins titer * Complement (C3, C4) * Complete blood count (CBC) * Coombs, direct (Antiglobulin Test, Direct, DAT) * Coombs, indirect * CPK * Copper (serum) * Copper, urine * Corticotropin releasing hormone (CRH) stimulation test * Cortisol (plasma) * C-peptide * CPK * C-reactive protein * Creatinine kinase (CK, CPK) * Creatinine kinase isoenzymes * CK-MB * CK-MM * CK-BB * Creatinine (serum) * Creatinine clearance * Creatinine, urine * Cryoglobulins (serum) * Cryptosporidium antigen by EIA (stool) * CSF * Cystatin C * Cystic Fibrosis PCR * Cytomegalovirus by PCR * D-Dimer * Dehydroepiandrosterone sulfate * Deoxycorticosterone (11-deoxycorticosterone, doc), serum * Dexamethasone suppression test, overnight * Dihydrotestosterone serum, urine * Disaccharideabsorption tests * DOC * Donath-Landsteiner (D-L) test for paroxysmal cold hemoglobinuria * d-Xylose absorption test * Digoxin (lanoxin) * Dilantin * Dopamine * Electrolytes, urine * Electrophoresis, hemoglobin * Electrophoresis, protein * ENA-complex * Endomysial antibodies * Eosinophil count * Epinephrine, plasma * Epstein-Barr virus serology * Erythrocyte sedimentation rate (ESR) (Westergren) * Erythropoietin (EP) * Estradiol (serum) * Estrogens, total * Ethanol (blood) * Extractable nuclear antigen (ENA complex, anti-RNP antibody, anti-Sm, anti-Smith) * FDP * Factor V leiden * Fecal fat, qualitative * Fecal fat, quantitative * Fecal globin immunochemical test * Ferritin (serum) * Fibrin degradation products (FDP) * Fibrinogen * Fluorescent treponemal antibody * Folate (folic acid) * Follicle stimulating hormone * Free T4 * Free thyroxine index * FSH * FTA-ABS (serum) * Furosemide stimulation test * Gamma-glutamyl transferase (GGT) * Gastrin (serum) * Gastrin stimulation test * Gliadin antibodies, IgA and IgG * Glomerular basement membrane antibody * Glomerular filtration rate * Glucagon * Glucose fasting * Glucose, post-prandial * Glucose tolerance test * Glucose-6-phosphate dehydrogenase screen (blood) * a-Glutamyl transferase (GGT) * Glycated (glycosylated) hemoglobin (HbAIc) * Growth hormone * Growth hormone releasing hormone * Growth hormone suppression test (after glucose) * Ham test (acid serum test) * Haptoglobin (serum) * HDL * Helicobacter pylori, serology, stool antigen * Hematocrit * Hemoglobin * Hemoglobin electrophoresis * Hemoglobin, glycated * Hemoglobin, glycosylated * Hemoglobin H * Hemoglobin, urine * Hemosiderin, urine * Heparin induced thrombocytopenia antibodies * Hepatitis A antibody * Hepatits B core antibody * Hepatits B DNA * Hepatits Be antigen and antibody * Hepatits B surface antibody * Hepatitis B surface antigen (HBsAg) * Hepatitis C antibody (anti-HCV) * Hepatitis C RNA * Hepatitis Delta antigen and antibody * Her-2/nue * Herpes simplex virus (HSV) * Heterophil antibody * HFE screen for hereditary hemochromatosis * High density lipoprotein (HDL) cholesterol * Homocysteine, plasma * Hs-CRP * HSV * Human HerpesVirus 8 (HHV8) * Human immunodeficiency virus antibody, type 1 (HIV-1) 5-Hydroxyindole-acetic acid, urine * Human Papilloma virus (HPV) * Huntington Disease PCR * Immune complex assay * Immunoglobulins * Influenza A and B tests * INR * Insulin autoantibodies * Insulin, free * Insulin-like growth factor I (IGF-1), serum * Insulin-like growth factor II * International normalized ratio (INR) * Intrinsic factor antibodies * Iron, serum * Iron binding capacity (TIBC) * Iron saturation (% transferrin saturation) * Lactate (blood) * Lactate dehydrogenase (LDH) * Lactate dehydrogenase isoenzymes * Lactose tolerance test (serum) * Lanoxin * Lap score * Lead * LDH * LDL * Legionella pneumophila PCR * Legionella titer * Leukocyte alkaline phosphatase (LAP) * LH * Lipase * Lipoprotein (a) * Lipoprotein cholesterol, low density * Lipoprotein cholesterol * Lipoprotein cholesterol, high density * Lipoprotein cholesterol * Liver kidney microsome type 1 antibodies (LKM1) * Low-density lipoprotein (LDL) cholesterol * Lupus anticoagulant (LA) test * Luteinizing hormone (LH), blood * Lymphocytes * Magnesium (serum) * Mean corpuscular volume (MCV) * Metanephrines, urine * Methylmalonic acid, serum * Mitochondrial antibody (AMA) * Monocyte count * Mycoplasma pneumoniae PCR * Myelin basic protein, cerebrospinal fluid * Myoglobin, urine * Natriuretic peptide * Neisseria gonorrhoeae PCR * Neutrophil count * Norepinephrine * 5' nucleotidase * Osmolality, serum * Osmolality, urine * Osmotic fragility test * Paracentesis fluid * Parathyroid hormone * Parietal cell antibodies * Partial thromboplastin time (PTT), activated partial thromboplastin time (APTT) Pepsinogen I * PFA * pH, blood * pH, urine * Phenobarbital * Phenytoin (dilantin) * Phosphatase, acid * Phosphatase, alkaline * Phosphate * Plasminogen * Platelet aggregation * Platelet antibodies * Platelet count * Platelet function analysis 100 assay (PFA) * Potassium (serum) * Potassium, urine * Procainamide * Progesterone, serum * Prolactin * Prostatic specific antigen (PSA) * Prostatic acid phosphatase * Protein (serum) * Protein C assay * Protein electrophoresis (serum) * Protein S assay * Prothrombin time (PT) * Protoporphyrin (free erythrocyte) * PSA * PT * PTT * RDW * Red blood cell count * Red blood cell distribution width (RDW) * Red blood cell folate * Red blood cell mass (volume) * Renin (serum) * Respiratory syncytial virus (RSV) screen * Reticulocyte count * Rheumatoid factor * RNP * Rotavirus serology * Schilling test * Sedimentation rate * Semen analysis * SGOT * SGPT * Sickle cell test * Smooth muscle antibody * Sodium (serum) * Streptozyme * Sucrose hemolysis test (sugar water test) * Sudan III stain (qualitative screening for fecal fat) * T3 (triiodothyronine) * T3 resin uptake (T3RU) * T4, Serum T4, and free (free thyroxine) * Serum free T4 * Tegretol * Testosterone * Theophylline * Thiamine * Thoracentesis fluid * Thrombin time (TT) * Thyroglobulin * Thyroid microsomal antibodies * Thyroid-stimulating hormone (TSH) * Thyrotropin (TSH) receptor antibodies * Thyrotropin releasing hormone (TRH) stimulation test * TIBC * Tissue transglutaminase antibody * Transferrin Triglycerides * Triiodothyronine * Troponins, serum * TSH * TT * Unconjugated bilirubin * Urea nitrogen * Uric acid * Urinalysis * Urine amylase * Urine bile * Urine calcium * Urine cAMP * Urine catecholamines * Urine chloride * Urine copper * Urine cortisol, free * Urine creatinine (24 hour) * Urine crystals * Urine eosinophils * Urine glucose (qualitative) * Urine hemoglobin, free * Urine hemosiderin * Urine 5-hydroxyindole acetic acid (urine 5-HIAA) * Urine indican * Urine ketones (semiquantitative) * Urine metanephrines * Urine myoglobin * Urine nitrite * Urine occult blood * Urine osmolality * Urine pH * Urine phosphate * Urine potassium * Urine protein (quantitative) * Urine sodium (quantitative) * Urine specific gravity * Urine vanillylmandelic acid (VMA) * Varicella-zoster virus (VZV) serology * Vasoactive intestinal peptide (VIP) * Venereal disease research laboratories (VDRL) * VIP * Viscosity (serum) * Vitamin B12 * Vitamin D, 1,25 dihydroxy calciferol * Vitamin K * von Willebrand factor * WBCs * Westergren * White blood cell count * d-xylose absorption Section III Diseases and disorders 1. Abdominal abscess 2. Abruptio placentae 3. Achalasia 4. Acoustic neuroma 5. Acquired immunodeficiency syndrome (AIDS) 6. Acromegaly 7. Actinomycosis 8. Acute respiratory distress syndrome (ARDS) 9. Addison's disease 10. Adrenal mass 11. Aldosteronism 12. Alkaline phosphatase elevation 13. Alpha1-antitrypsin deficiency 14. ALT/AST elevation 15. Alzheimers's disease 16. Amaurosis fugax 17. Amebiasis 18. Amenorrhea, primary 19. Amenorrhea, secondary 20. Amyloidosis 21. Amyotrophic lateral sclerosis 22. Anemia, macrocytic 23. Anemia, microcytic 24. Aneurysm of abdominal aorta 25. Antinuclear antibody (ANA) positive 26. Antiphospholipid antibody syndrome 27. Aortic dissection 28. Appendicitis 29. Arthritis, infectious (bacterial) 30. Ascariasis 31. Ascites 32. Aseptic necrosis 33. Back pain, acute, LS area 34. Baker cyst 35. Bilirubin elevation 36. Bleeding disorder, congenital 37. Brain abscess 38. Breast abscess 39. Breast implant rupture 40. Breast mass 41. Breast nipple discharge 42. Brochiectasis 43. Budd-Chiari syndrome 44. Carcinoid syndrome 45. Cardiomegaly on chest x-ray 46. Cat-scratch disease 47. Cavernous sinus thrombosis 48. Celiac disease 49. Cerebrovascular accident (CVA) 50. Cholangitis 51. Cholecystitis 52. Cholelithiasis 53. Claudication 54. Constipation 55. CPK elevation 56. Cushing's syndrome 57. Cyanosis 58. Deep vein thrombosis (DVT) 59. Delirium 60. Diabetes insipidus 61. Diarrhea 62. Disseminated intravascular coagulation (DIC) 63. Diverticulitis 64. Dyspepsia 65. Dysphagia 66. Dyspnea 67. Dysuria 68. Echinococcosis 69. Ectopic pregnancy 70. Edema, generalized 71. Edema, lower extremity 72. Endocarditis, infective 73. Endometriosis 74. Enuresis 75. Epiglottitis 76. Esophageal perforation 77. Fatigue 78. Fever of undetermined origin (FUO) 79. Genital lesions/ulcers 80. Goiter 81. Gout 82. Gynecomastia 83. Hearing loss 84. Hematuria 85. Hemochromatosis 86. Hemophilia 87. Hemoptysis 88. Hepatitis A 89. Hepatitis B, acute 90. Hepatitits C 91. Hepatomegaly 92. Hepatorenal syndrome 93. Hirsutism 94. Hydrocephalus, normal pressure (NPH) 95. Hypercalcemia 96. Hyperkalemia 97. Hypermagnesemia 98. Hypernatremia 99. Hyperphosphatemia 100. Hyperthyroidism 101. Hypocalcemia 102. Hypogonadism 103. Hypokalemia 104. Hypomagnesemia 105. Hyponatremia 106. Hypophosphatemia 107. Hypothyroidism 108. Infertility 109. Insulinoma 110. Intracranial mass 111. Jaundice 112. Joint effusion 113. Knee pain 114. Liver abscess 115. Liver function test elevations 116. Liver mass 117. Lung abscess 118. Lymphadenopathy, axillary 119. Lymphadenopathy, cervical 120. Lymphadenopathy epitrochlear 121. Lymphadenopathy, generalized 122. Lymphadenopathy, inguinal 123. Lymphedema 124. Macrocytosis 125. Malabsorption, suspected 126. Mastoiditis 127. Meckel's diverticulum 128. Mediastinal adenopathy 129. Meningioma 130. Meningitis 131. Mesenteric venous thrombosis 132. Mesothelioma 133. Metabolic acidosis 134. Metabolic alkalosis 135. Microcytosis 136. Multiple myeloma 137. Multiple sclerosis 138. Muscle cramps 139. Muscle weakness 140. Myasthenia gravis (MG) 141. Myocardial ischemia, suspected 142. Neck mass 143. Neutropenia 144. Oliguria 145. Osteomyelitis 146. Osteonecrosis 147. Osteoporosis 148. Paget's disease of bone 149. Pancreatic cancer 150. Pancreatic mass 151. Pancreatitis, acute 152. Pelvic abscess 153. Pelvic mass 154. Pelvic pain, reproductive age woman 155. Peptic ulcer disease 156. Peripheral arterial disease 157. Peripheral nerve dysfunction 158. Perirectal abscess 159. Pheochromocytoma 160. Pituitary adenoma 161. Placenta previa 162. Pleural effusion 163. Polyarteritis nodosa 164. Polycystic kidney disease 165. Polycythemia vera 166. Portal hypertension 167. Portal vein thrombosis 168. Prolactinoma 169. Prostate cancer 170. Proteinuria 171. Pruritus, generalized 172. Pseudomembranous colitis 173. Puberty, delayed 174. Puberty, precocious 175. Pulmonary embolism 176. Pulmonary hypertension 177. Pulmonary nodule 178. Purpura 179. Reflex sympathetic dystrophy (RSD) 180. Renal artery stenosis 181. Renal insufficiency 182. Renal mass 183. Renal vein thrombosis 184. Respiratory acidosis 185. Respiratory alkalosis 186. Retropharyngeal abscess 187. Rhabdomyolisis 188. Rotator cuff tear 189. Sacroiliac joint pain 190. Salivary gland neoplasm 191. Sarcoidosis 192. Scrotal mass 193. Seizure disorder 194. SIADH (syndrome of inappropriate ant-diuretic hormone secretion) 195. Sialolithiasis 196. Sinusitis 197. Small bowel obstruction 198. Spinal epidural abscess 199. Spinal stenosis 200. Splenomegaly 201. Subarachnoid hemorrhage 202. Subclavian steal syndrome 203. Subdural hematoma 204. Superior vena cava syndrome 205. Syncope 206. Temporal arteritis 207. Temporomandibular joint (TMJ) syndrome 208. Testicular neoplasm 209. Testicular torsion 210. Thoracic outlet syndrome 211. Thrombocytopenia 212. Thrombocytosis 213. Thyroid nodule 214. Thyroiditis 215. Tinnitus 216. Transient ischemic attack (TIA) 217. Trigeminal neuralgia 218. Urethral discharge 219. Urolithiasis 220. Urticaria 221. Vaginal bleeding, 1st trimester 222. Vaginal discharge 223. Vertigo 224. Viral hepatitis 225. von Willebrandt's disease 226. Waldenstrom's macroglobulinemia 227. Wegener's granulomatosis 228. Weight gain 229. Weight loss, involuntary 230. Wilson's disease 231. Zollinger-Ellison syndrome