Ferri's Best Test

Section I Diagnostic Imaging
A Abdominal and Gastrointestinal (GI) Imaging

1. Abdominal Film, Plain (Kidney, Ureter, and Bladder [KUB])

2. Barium Enema (BE)

3. Barium Swallow (Esophagram)

4. Upper GI (UGI) Series

5. Computed Tomographic Colonography (CTC, Virtual Colonoscopy)

6. CT Scan of Abdomen and Pelvis

7. CT Enterography

8. CT Enteroclysis

9. Magnetic Resonance Enterography (MRE)

10. Cholescintigraphy (Hepatobiliary Iminodiacetic Acid [HIDA] Scan, Diisopropyliminodiacetic Acid [DISIDA] Scan)

11. Endoscopic Retrograde Cholangiopancreatography (ERCP)

12. Percutaneous Biliary Procedures

13. Magnetic Resonance Cholangiopancreatography (MRCP)

14. Meckel’s Scan (Tc-99m Pertechnetate Scintigraphy)

15. MRI Scan of Abdomen

16. Small-Bowel Series

17. Tc-99m Sulfur Colloid (Tc-99m SC) Scintigraphy for GI Bleeding

18. Tc-99m–Labeled Red Blood Cell (RBC) Scintigraphy for GI Bleeding

19. Ultrasound of Abdomen

20. Ultrasound of Appendix

21. Ultrasound of Gallbladder and Bile Ducts

22. Ultrasound of Liver

23. Ultrasound of Pancreas

24. Endoscopic Ultrasound (EUS)

25. Video Capsule Endoscopy (VCE)

26. Transient Elastography (Fibroscan)

B Breast Imaging

1. Mammogram

2. Breast Ultrasound

3. MRI of the Breast

C Cardiac Imaging

1. Stress Echocardiography

2. Cardiovascular Radionuclide Imaging (Thallium, Sestamibi, Dipyridamole [Persantine] Scan), Positron Emission Tomography (PET), Single-Photon Emission Computed Tomography (SPECT)

3. Cardiac MRI (CMR)

4. Multidetector CT Scan

5. Transesophageal Echocardiogram (TEE)

6. Transthoracic Echocardiography (TTE)

7. Intravascular Ultrasound (IVUS)

D Chest Imaging

1. Chest Radiograph

2. CT Scan of Chest

3. MRI Scan of Chest

E Endocrine Imaging

1. Adrenal Medullary Scintigraphy (Metaiodobenzylguanidine [MIBG] Scan)

2. Parathyroid (PTH) Scan

3. Thyroid Scan (Radioiodine Uptake Study)

4. Thyroid Ultrasound

F Genitourinary Imaging

1. Obstetric 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 Intravenous 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 Scan of Spine

4. MRI Scan of Shoulder

5. MRI Scan of Hip and Extremities

6. MRI Scan of Pelvis

7. MRI Scan of Knee

8. CT Scan of Spinal Cord

9. Arthrography

10. CT Myelography

11. Nuclear Imaging (Bone Scan, Gallium Scan, White Blood Cell [WBC] Scan)

H Neuroimaging of Brain

1. CT Scan of Brain

2. MRI Scan 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. Cardiac Computed Tomography Angiography

8. Computed Tomography Perfusion (CTP) Imaging

9. Cardiac Catheterization and Angiography

10. Magnetic Resonance Angiography (MRA)

11. Magnetic Resonance Direct Thrombus Imaging (MRDTI)

12. Pulmonary Angiography

13. Transcranial Doppler

14. Venography

15. Compression Ultrasonography and Venous Doppler Ultrasound

16. Ventilation/Perfusion (V/Q) Lung Scan

I Oncology

1. Whole-Body Integrated (Dual-Modality) PET-CT

2. Whole-Body MRI

References

Section II Laboratory Values and Interpretation of Results
ACE Level
Acetone (Serum or Plasma)
Acetylcholine Receptor (AChR) Antibody
Acid Phosphatase (Serum)
Acid Serum Test
Activated Clotting Time (ACT)
Activated Partial Thromboplastin Time (aPTT)
Adrenocorticotropic Hormone (ACTH)
Alanine Aminopeptidase
Alanine Aminotransferase (ALT, formerly serum glutamic-pyruvic transaminase [SGPT])
Albumin (Serum)
Alcohol Dehydrogenase
Aldolase (Serum)
Aldosterone (Plasma)
Alkaline Phosphatase (Serum)
Alpha-1-Antitrypsin (Serum)
Alpha-1-Fetoprotein (Serum)
ALT
Aluminum (Serum)
AMA
Amebiasis Serologic Test
Aminolevulinic Acid (d-ALA) (24-Hour Urine Collection)
Ammonia (Serum)
Amylase (Serum)
Amylase, Urine
Amyloid A Protein (Serum)
ANA
Anaplasma Phagocytophilum (HGA)
ANCA
Androstenedione (Serum)
Angiotensin II
Angiotensin-Converting Enzyme (ACE) Level
ANH
Anion Gap
Anticardiolipin Antibody (ACA)
Anticentromere Antibody
Anticoagulant
Antidiuretic Hormone
Anti-DNA
Anti-ds DNA
Anti-Globulin Test, Direct
Anti-Globulin Test, Indirect
Antiglomerular Basement Antibody
Anti-HCV
Antihistone
Anti-Jo-1
Antimitochondrial Antibody (AMA)
Antineutrophil Cytoplasmic Antibody (ANCA)
Antinuclear Antibody (ANA)
Antiphospholipid Antibody
Anti-RNP Antibody
Anti-Scl-70
Anti-Smith (Anti-Sm) Antibody
Anti-Smooth Muscle Antibody
Antistreptolysin O Titer (Streptozyme, ASLO Titer)
Antithrombin III
Apolipoprotein A-1 (Apo A-1)
Apolipoprotein B (Apo B)
Arterial Blood Gases
Arthrocentesis Fluid
ASLO Titer
Aspartate Aminotransferase (AST, Serum Glutamic Oxaloacetic Transaminase [SGOT])
Atrial Natriuretic Hormone (ANH)
Basophil Count
Beta-2 Microglobulin
Bicarbonate
Bile Acid Breath Test
Bile, Urine
Bilirubin, Direct (Conjugated Bilirubin)
Bilirubin, Indirect (Unconjugated Bilirubin)
Bilirubin, Total
Bilirubin, Urine
Bladder Tumor–Associated Antigen
Bleeding Time (Modified IVY Method)
Blood Type
Blood Volume, Total
Bordetella pertussis Serology
BRCA-1, BRCA-2
Breath Hydrogen Test
B-Type Natriuretic Peptide (BNP)
BUN
C3
C4
CA 15-3
CA 19-9
CA 27-29
CA 72-4
CA 125
Calcitonin (Serum)
Calcium (Serum)
Calcium, Urine
Cancer Antigen 15-3 (CA 15-3)
Cancer antigen 19-9 (CA 19-9)
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 (COHb)
Cardiac Markers (Serum)
Cardiac Troponins
Carcinoembryonic Antigen (CEA)
Cardio-CRP
Carotene (Serum)
Catecholamines, Urine
CBC
CCK
CCK-PZ
CCP IgG antibody
CD4 T-Lymphocyte Count (CD4 T-Cells)
CD40 Ligand
CEA
Cerebrospinal Fluid (CSF)
Ceruloplasmin (Serum)
Chlamydia Group Antibody Serologic Test
Chlamydia Trachomatis Nucleic Acid Amplification Test (NAAT)
Chlamydia Trachomatis Polymerase Chain Reaction (PCR)
Chloride (Serum)
Chloride (Sweat)
Chloride, Urine
Cholecystokinin-Pancreozymin (CCK, CCK-PZ)
Cholesterol, Low-Density Lipoprotein
Cholesterol, High-Density Lipoprotein
Cholesterol, Total
Chorionic Gonadotropin (hCG), Human (Serum)
Chymotrypsin
Circulating Anticoagulant (Antiphospholipid Antibody, Lupus Anticoagulant)
CK
Clonidine Suppression Test
Clostridium difficile Toxin Assay (Stool)
CO
Coagulation Factors
Cold Agglutinins Titer
Complement (C3, C4)
Complete Blood Cell (CBC) Count
Conjugated Bilirubin
Coombs, Direct
Coombs, Indirect (Antiglobulin, Indirect)
Copper (Serum)
Copper, Urine
Coronavirus
Corticotropin-Releasing Hormone (CRH) Stimulation Test
Cortisol (Plasma)
COVID-19 (SARS-CoV-2)
C-Peptide
CPK
C-Reactive Protein (CRP)
Creatinine Clearance
Creatine Kinase (CK), Creatine Phosphokinase (CPK)
Creatine Kinase Isoenzymes
Creatinine (Serum)
Creatinine, Urine
Cryoglobulins (Serum)
Cryptosporidium Antigen by Enzyme Immunoassay (EIA) (Stool)
CSF
Cystatin C
Cystic Fibrosis Polymerase Chain Reaction (PCR)
Cytomegalovirus by Polymerase Chain Reaction (PCR)
DAT
D-Dimer
Dehydroepiandrosterone Sulfate
Deoxycorticosterone (11-Deoxycorticosterone, DOC), Serum
Dexamethasone Suppression Test, Overnight
Digoxin
Digoxin (Lanoxin)
Dihydrotestosterone, Serum, Urine
Dilantin
Direct Antiglobulin Test (DAT, Coombs Test Direct)
Disaccharide Absorption Tests
DOC
Donath-Landsteiner (D-L) Test for Paroxysmal Cold Hemoglobinuria
Dopamine
d-Xylose Absorption Test
Electrolytes, Urine
Electrophoresis, Hemoglobin
Electrophoresis, Protein
ENA Complex
Endomysial Antibodies
Eosinophil Count
Epinephrine, Plasma
Epstein-Barr Virus (EBV) 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)
Factor V Leiden
FDP
FENA
Fecal FAT, Qualitative
Fecal FAT, Quantitative (72-Hour Collection)
Fecal Globin Immunochemical Test
Ferritin (Serum)
Fibrin Degradation Product (FDP)
Fibrinogen
5-Hydroxyindole-Acetic Acid, Urine
5′ Nucleotidase
Fluorescent Treponemal Antibody
Folate (Folic Acid)
Follicle-Stimulating Hormone (FSH)
Fractional Excretion of Sodium (FENA)
Free T4
Free Thyroxine Index
FSH
FTA-ABS (Serum)
Furosemide Stimulation Test
Gamma-Glutamyl Transferase (GGT)
Gastrin (Serum)
Gastrin Stimulation Test
Gliadin Antibodies, Immunoglobulin (Ig) A and IgG
Glomerular Basement Membrane Antibody
Glomerular Filtration Rate (GFR)
Glucagon
Glucose, Fasting
Glucose, Postprandial
Glucose Tolerance Test
Glucose-6-Phosphate Dehydrogenase (G6PD) Screen (Blood)
γ-Glutamyl Transferase (GGT)
Glycated (Glycosylated) Hemoglobin (HbAlc)
Glycohemoglobin
Growth Hormone
Growth Hormone–Releasing Hormone (GHRH)
Growth Hormone Suppression Test (After Glucose)
HAM Test (Acid Serum Test)
Haptoglobin (Serum)
HBA1C
HCG Tumor Marker
HDL
Helicobacter pylori (Serology, Stool Antigen)
Hematocrit
Hemoglobin
Hemoglobin (Hb) Electrophoresis
Hemoglobin, Glycated
Hemoglobin, Glycosylated
Hemoglobin H
Hemoglobin, Urine
Hemosiderin, Urine
Heparin-Induced Thrombocytopenia Antibodies
Hepatitis A Antibody
Hepatitis B Core Antibody
Hepatitis B DNA
Hepatitis Be Antigen (HBeAg) and Antibody
Hepatitis B Surface Antibody
Hepatitis B Surface Antigen (HBsAg)
Hepatitis C Antibody (Anti-HCV)
Hepatitis C Genotype
Hepatitis C RNA
Hepatitis D 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 Chorionic Gonadotropins (HCG)
Human Herpes Virus 8 (HHV8)
Human Immunodeficiency Virus Antibody, Type 1 (HIV-1)
Human Papilloma Virus (HPV)
Huntington’s Disease Polymerase Chain Reaction (PCR)
17-Hydroxyprogesterone
Immune Complex Assay
Immunoglobulin (Ig)
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-Binding Capacity (Total Iron-Binding Capacity [TIBC])
Iron Saturation (% Transferrin Saturation)
Iron, Serum
Lactate (Blood)
Lactate Dehydrogenase (LDH)
Lactate Dehydrogenase (LDH) Isoenzymes
Lactose Tolerance Test (Serum)
LAP Score
LDH
LDL
Lead
Legionella pneumophila Polymerase Chain Reaction (PCR)
Legionella Titer
Leukocyte Alkaline Phosphatase (LAP)
LH
Lipase
Lipoprotein (A)
Lipoprotein Cholesterol, Low Density
Lipoprotein Cholesterol, High Density
Liver Kidney Microsome Type 1 (LKM1) Antibodies
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 (Antimitochondrial Antibody [AMA])
Monocyte Count
Mycoplasma pneumoniae Polymerase Chain Reaction (PCR)
Myelin Basic Protein, Cerebrospinal Fluid
Myoglobin, Urine
Natriuretic Peptide
Neisseria gonorrhoeae Nucleic Acid Amplification Test (NAAT)
Neisseria gonorrhoeae Polymerase Chain Reaction (PCR)
Neutrophil Count
Norepinephrine
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
Phenobarbital
Phenytoin (Dilantin)
Phosphatase, Acid
Phosphatase, Alkaline
Phosphate (Serum)
pH, Urine
Plasminogen
Platelet Aggregation
Platelet Antibodies
Platelet Count
Platelet Function Analysis (PFA) 100 Assay
Potassium (Serum)
Potassium, Urine
Progesterone, Serum
Prolactin
Prostate-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
Pulse Oximetry
QuantiFERON-TB
Rapid Plasma Reagin
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
RPR
SARS-CoV-2
SARS-CoV-2-Antibodies
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 Binding Globulin (TBG)
Thyroid Microsomal Antibodies
Thyroid-Stimulating Hormone (TSH)
Thyrotropin (Thyroid-Stimulating Hormone [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 (Serum)
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 5-Hydroxyindole-Acetic Acid (Urine 5-HIAA)
Urine Glucose (Qualitative)
Urine Hemoglobin, Free
Urine Hemosiderin
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) Serologic Testing
Vasoactive Intestinal Peptide (VIP)
Venereal Disease Research Laboratories (VDRL)
VIP
Viscosity (Serum)
Vitamin B12
Vitamin D, 1,25 Dihydroxy Calciferol, Vitamin D 25(OH)D (25-Hydroxyvitamin D)
Vitamin K
Von Willebrand’s Factor
WBCs
Westergren
White Blood Cell Count

Section III Diseases and Disorders
Acronyms

1. Abdominal Abscess

2. Abdominal Aortic Aneurysm

3. Abdominal Pain

4. Achalasia

5. Acid-Base Disorders

6. Acute Kidney Injury

7. Addison Disease (Adrenal Insufficiency)

8. Adrenal Incidentaloma

9. Adrenal Mass

10. Alkaline Phosphatase Elevation

11. ALT/AST Elevation

12. Amenorrhea, Primary

13. Amenorrhea, Secondary

14. Anemia, Macrocytic

15. Anemia, Microcytic

16. Anisocoria

17. Antinuclear Antibody (ANA)–Positive

18. Aortic Dissection

19. Appendicitis

20. Ascites

21. Avascular Necrosis

22. Back Pain, Acute, Lumbosacral (LS) Area

23. Bilirubin Elevation

24. Bleeding Disorder, Congenital

25. Brain Abscess

26. Breast Mass

27. Carcinoid Syndrome

28. Cardiomegaly on Chest Radiograph

29. Chest Pain

30. Cholangitis

31. Cholecystitis

32. Cholelithiasis

33. Chronic Cough

34. Chronic Obstructive Pulmonary Disease

35. Colon Ischemia

36. Complex Regional Pain Syndrome (Reflex Sympathetic Dystrophy [RSD])

37. Constipation

38. Creatinine Phosphokinase (CPK) Elevation

39. Cushing’s Syndrome

40. Deep Vein Thrombosis (DVT)

41. Delayed Puberty

42. Delirium

43. Diarrhea

44. Disseminated Intravascular Coagulation (DIC)

45. Diverticulitis

46. Dyspepsia

47. Dyspnea

48. Dysuria

49. Ectopic Pregnancy

50. Edema, Lower Extremity

51. Endocarditis, Infective

52. Endometriosis

53. Epiglottitis

54. Fatigue

55. Fever and Neutropenia

56. Fever of Undetermined Origin (FUO)

57. Galactorrhea

58. Genital Lesions/Ulcers

59. Granulomatosis With Polyangiitis (Wegener Granulomatosis)

60. Goiter

61. Gynecomastia

62. Hearing Loss

63. Hematochezia

64. Hematuria

65. Hemochromatosis

66. Hemoptysis

67. Hepatomegaly

68. Hirsutism

69. Hyperaldosteronism

70. Hypercalcemia

71. Hyperkalemia

72. Hypermagnesemia

73. Hypernatremia

74. Hyperphosphatemia

75. Hyperthyroidism

76. Hypocalcemia

77. Hypoglycemia

78. Hypogonadism

79. Hypokalemia

80. Hypomagnesemia

81. Hyponatremia

82. Hypophosphatemia

83. Hypothyroidism

84. Immunodeficiency

85. Infectious Diarrhea

86. Infertility

87. Jaundice

88. Joint Effusion

89. Liver Function Test Elevations

90. Liver Mass

91. Lymphadenopathy, Generalized

92. Malabsorption, Suspected

93. Meningioma

94. Mesenteric Ischemia

95. Mesothelioma

96. Metabolic Acidosis

97. Metabolic Alkalosis

98. Microcytosis

99. Multiple Myeloma

100. Multiple Sclerosis

101. Myalgias

102. Muscle Weakness

103. Neck Mass

104. Neck pain

105. Neuropathy

106. Neutropenia

107. Osteomyelitis

108. Pancreatic Mass

109. Pancreatitis, Acute

110. Parapharyngeal Abscess

111. Pelvic Mass

112. Pelvic Pain, Female Patient

113. Peripheral Arterial Disease (PAD)

114. Pheochromocytoma

115. Pituitary Adenoma

116. Pleural Effusion

117. Polyarteritis Nodosa

118. Polycythemia

119. Portal Vein Thrombosis

120. Precocious Puberty

121. Proteinuria

122. Pruritus, Generalized

123. Pulmonary Embolism

124. Pulmonary Hypertension

125. Pulmonary Nodule

126. Purpura

127. Red Eye

128. Renal Artery Stenosis

129. Renal Mass

130. Renal Tubular Acidosis

131. Rotator Cuff Tear

132. Sarcoidosis

133. Scrotal Mass

134. Small-Bowel Obstruction

135. Spinal Epidural Abscess

136. Splenomegaly

137. Stroke

138. Subarachnoid Hemorrhage

139. Subclavian Steal Syndrome

140. Subdural Hematoma

141. Superior Vena Cava Syndrome

142. Syncope

143. Testicular Mass

144. Testicular Torsion

145. Thoracic Outlet Syndrome

146. Thrombocytopenia

147. Thrombocytosis

148. Thyroid Nodule

149. Thyroiditis

150. Tinnitus

151. Transient Ischemic Attack (TIA)

152. Urethral Discharge

153. Urolithiasis

154. Urticaria

155. Vaginal Discharge

156. Vertigo

157. Viral Hepatitis

158. Weight Gain

159. Weight Loss, Involuntary
References
Appendix I General Guidelines for Ordering Computed Tomography
Appendix II General Guidelines for Ordering Computed Tomography Angiography (CTA)
Appendix III General Guidelines for Ordering Magnetic Resonance Imaging (MRI)
Appendix IV The Electrocardiogram (ECG)
Appendix V Pulmonary Function Testing
Index