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Medical Tests
URL of this page: https://medlineplus.gov/lab-tests/

Medical Tests

Learn about medical tests, including what the tests are used for, why a doctor may order a test, how a test will feel, and what the results may mean. 

Medical tests can help detect a condition, determine a diagnosis, plan treatment, check to see if treatment is working, or monitor the condition over time. A doctor may order these tests as part of a routine checkup, to check for certain diseases and disorders, or to monitor your health.

Go to:
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • XYZ
  • 0-9

A

  • Acetaminophen Level
  • Acid-Fast Bacillus (AFB) Tests
  • ADHD Screening
  • Adrenocorticotropic Hormone (ACTH)
  • Albumin Blood Test
  • Alcohol Use Screening Tests
  • Aldosterone Test
  • Alkaline Phosphatase
  • Allergy Blood Test
  • Allergy Skin Test
  • Alpha Fetoprotein (AFP) Tumor Marker Test
  • Alpha-1 Antitrypsin Testing
  • Alpha-Fetoprotein (AFP) Test
  • ALT Blood Test
  • Ammonia Levels
  • Amniocentesis (amniotic fluid test)
  • Amylase Test
  • ANA (Antinuclear Antibody) Test
  • Anion Gap Blood Test
  • Anoscopy
  • Anti-Müllerian Hormone Test
  • Antibiotic Sensitivity Test
  • Antibody Serology Tests
  • Antineutrophil Cytoplasmic Antibodies (ANCA) Test
  • Appendicitis Tests
  • Arterial Blood Gas (ABG) Test
  • AST Test
  • At-Home Medical Tests
  • Autism Spectrum Disorder (ASD) Screening
  • Autonomic Testing

B

  • Bacteria Culture Test
  • Bacterial Vaginosis Test
  • Balance Tests
  • Barium Swallow
  • Basic Metabolic Panel (BMP)
  • BCR-ABL1 Genetic Test
  • Beta 2 Microglobulin (B2M) Tumor Marker Test
  • Bilirubin Blood Test
  • Bilirubin in Urine
  • Blood Alcohol Level
  • Blood Differential
  • Blood Glucose Test
  • Blood in Urine
  • Blood Smear
  • Bone Density Scan
  • Bone Marrow Tests
  • BRAF Genetic Test
  • BRCA Genetic Test
  • Breast Biopsy
  • Bronchoscopy and Bronchoalveolar Lavage (BAL)
  • BUN (Blood Urea Nitrogen)
  • Burn Evaluation

C

  • C-Peptide Test
  • C-Reactive Protein (CRP) Test
  • C. diff Testing
  • CA 19-9 Blood Test (Pancreatic Cancer)
  • CA-125 Blood Test (Ovarian Cancer)
  • Calcitonin Test
  • Calcium Blood Test
  • Calcium in Urine Test
  • Calprotectin Stool Test
  • Carbon Dioxide (CO2) in Blood
  • Catecholamine Tests
  • CCP Antibody Test
  • CD4 Lymphocyte Count
  • CEA Test
  • Celiac Disease Screening
  • Cerebrospinal Fluid (CSF) Analysis
  • Ceruloplasmin Test
  • Chickenpox and Shingles Tests
  • Chlamydia Test
  • Chloride Blood Test
  • Cholesterol Levels
  • Chorionic Villus Sampling (CVS)
  • Chymotrypsin in Stool
  • Coagulation Factor Tests
  • Cognitive Testing
  • Cold Stimulation Test
  • Colorectal Cancer Screening Tests
  • Colposcopy
  • Complement Blood Test
  • Complete Blood Count (CBC)
  • Comprehensive Metabolic Panel (CMP)
  • Concussion Tests
  • Cord Blood Testing and Banking
  • Cortisol Test
  • Creatine Kinase
  • Creatinine Test
  • Crystals in Urine
  • CSF Immunoglobulin G (IgG) Index
  • Cytomegalovirus (CMV) Tests

D

  • D-Dimer Test
  • Dengue Fever Test
  • Dental Exam
  • Depression Screening
  • Developmental and Behavioral Screening Tests
  • DHEA Sulfate Test
  • Diabetes Tests
  • Diabetic Foot Exam
  • Differential Diagnosis
  • Doppler Ultrasound
  • Down Syndrome Tests
  • Drug Testing
  • Drug Use Screening Tests
  • Dysphagia Tests

E

  • Elastography
  • Electrocardiogram
  • Electrolyte Panel
  • Electromyography (EMG) and Nerve Conduction Studies
  • Epithelial Cells in Urine
  • Erythrocyte Sedimentation Rate (ESR)
  • Esophageal pH Test
  • Estrogen Levels Test
  • Estrogen Receptor, Progesterone Receptor Tests

F

  • Fall Risk Assessment
  • Fasting for a Blood Test
  • Fecal Occult Blood Test (FOBT)
  • Ferritin Blood Test
  • Fetal Alcohol Spectrum Disorders (FASD) Screening
  • Flu (Influenza) Test
  • Fluoroscopy
  • Follicle-Stimulating Hormone (FSH) Levels Test
  • Food Allergy Testing
  • Free Light Chains
  • Fungal Culture Test

G

  • G6PD Test
  • Galactosemia Tests
  • Gamma-glutamyl Transferase (GGT) Test
  • Gastric Emptying Tests
  • Glaucoma Tests
  • Globulin Test
  • Glomerular Filtration Rate (GFR) Test
  • Glucagon Blood Test
  • Glucose in Urine Test
  • Gonorrhea Test
  • Gram Stain
  • Growth Hormone Tests

H

  • Haptoglobin (HP) Test
  • Hearing Tests for Adults
  • Hearing Tests for Children
  • Heart Disease Risk Assessment
  • Heavy Metal Blood Test
  • Helicobacter Pylori (H. Pylori) Tests
  • Hematocrit Test
  • Hemoglobin A1C (HbA1c) Test
  • Hemoglobin Electrophoresis
  • Hemoglobin Test
  • Hepatitis Panel
  • HER2 Tumor Marker Test
  • Herpes (HSV) Test
  • HIV Screening Test
  • HIV Viral Load
  • Homocysteine Test
  • How to Cope with Medical Test Anxiety
  • How to Prepare for a Lab Test
  • How to Prepare Your Child for a Lab Test
  • How to Understand Your Lab Results
  • Human Papillomavirus (HPV) Test
  • Hysteroscopy

I

  • IGF-1 (Insulin-like Growth Factor 1) Test
  • Immunoglobulins Blood Test
  • Insulin in Blood
  • Intravenous Pyelogram (IVP)
  • Iron Tests

K

  • Karyotype Genetic Test
  • Ketones in Blood
  • Ketones in Urine
  • Kidney Stone Analysis

L

  • Lactate Dehydrogenase (LDH) Isoenzymes Test
  • Lactate Dehydrogenase (LDH) Test
  • Lactate Test
  • Lactose Tolerance Tests
  • Laparoscopy
  • Legionella Tests
  • Lipase Tests
  • Lipoprotein (a) Blood Test
  • Liver Function Tests
  • Lung Cancer Genetic Tests
  • Lung Function Tests
  • Luteinizing Hormone (LH) Levels Test
  • Lyme Disease Tests

M

  • Magnesium Blood Test
  • Malaria Tests
  • MCV (Mean Corpuscular Volume)
  • Measles and Mumps Tests
  • Measuring Blood Pressure
  • Meningococcal Disease Tests
  • Mental Health Screening
  • Methylmalonic Acid (MMA) Test
  • Microalbumin Creatinine Ratio
  • Mononucleosis (Mono) Tests
  • MPV Blood Test
  • MRSA Tests
  • MTHFR Mutation Test
  • Mucus in Urine
  • Myasthenia Gravis Tests
  • Myelography

N

  • Nasal Swab
  • Natriuretic Peptide Tests (BNP, NT-proBNP)
  • Neurological Exam
  • Nitrites in Urine
  • Nonstress Test

O

  • Obesity Screening
  • Obsessive Compulsive Disorder (OCD) Test
  • Opioid Testing
  • Osmolality Tests
  • Ova and Parasite Test

P

  • Panic Disorder Test
  • Pap Smear
  • Parainfluenza Tests
  • Parathyroid Hormone (PTH) Test
  • Partial Thromboplastin Time (PTT) Test
  • PCR Tests
  • PDL1 (Immunotherapy) Tests
  • PET Scan
  • Pharmacogenetic Tests
  • Phenylketonuria (PKU) Screening
  • Phosphate in Blood
  • Phosphate in Urine
  • Platelet Tests
  • Pleural Fluid Analysis
  • Pneumococcal Disease Tests
  • Porphyrin Tests
  • Postpartum Depression Screening
  • Potassium Blood Test
  • Prealbumin Blood Test
  • Pregnancy Test
  • Prenatal Cell-Free DNA Screening
  • Prenatal Panel
  • Procalcitonin Test
  • Progesterone Test
  • Prolactin Levels
  • Prostate-Specific Antigen (PSA) Test
  • Protein C and Protein S Tests
  • Protein Electrophoresis by Immunofixation Blood Test
  • Protein in Urine
  • Prothrombin Time Test and INR (PT/INR)
  • PTEN Genetic Test
  • Pulse Oximetry

R

  • Rapid Tests
  • Rash Evaluation
  • RDW (Red Cell Distribution Width)
  • Red Blood Cell (RBC) Count
  • Red Blood Cell (RBC) Indices
  • Red Blood Cell Antibody Screen
  • Renin Test
  • Respiratory Pathogens Panel
  • Respiratory Syncytial Virus (RSV) Tests
  • Reticulocyte Count
  • Rheumatoid Factor (RF) Test

S

  • Salicylates Level
  • Semen Analysis
  • Sentinel Lymph Node Biopsy
  • Sexually Transmitted Infection (STI) Tests
  • SHBG Blood Test
  • Skin Biopsy
  • Skin Cancer Screening
  • Sleep Study
  • Smooth Muscle Antibody (SMA) Test
  • Sodium Blood Test
  • Sputum Culture
  • Stool Elastase
  • Strep A Test
  • Strep B Test
  • Stress Tests
  • Suicide Risk Screening
  • Sweat Test for Cystic Fibrosis
  • Synovial Fluid Analysis
  • Syphilis Tests

T

  • Testosterone Levels Test
  • Therapeutic Drug Monitoring
  • Thyroglobulin
  • Thyroid Antibodies
  • Thyroxine (T4) Test
  • Total Protein and Albumin/Globulin (A/G) Ratio
  • TP53 Genetic Test
  • Trichomoniasis Test
  • Tricyclic Antidepressant (TCA) Screen
  • Triglycerides Test
  • Triiodothyronine (T3) Tests
  • Troponin Test
  • TSH (Thyroid-stimulating hormone) Test
  • Tuberculosis Screening
  • Tumor Marker Tests

U

  • Ultrasound
  • Uric Acid Test
  • Urobilinogen in Urine

V

  • V/Q Scan
  • Videonystagmography (VNG)
  • Vision Screening
  • Vitamin B Test
  • Vitamin D Test
  • Vitamin E (Tocopherol) Test

W

  • What You Need to Know About Blood Testing
  • White Blood Cell (WBC) in Stool
  • White Blood Count (WBC)
  • Whooping Cough Tests

X

  • Xylose Testing

Y

  • Yeast Infection Tests

Z

  • Zika Virus Test

0-9

  • 17-Hydroxyprogesterone
Lab Tests

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