Health guide

Laboratory tests

Explore what laboratory tests measure, why they are ordered, and the clinical contexts in which results are evaluated.

Test guide

389 articles

Low Ionized Calcium: What Does It Mean?View test information
Low LH: What Does It Mean?View test information
Low Lymphocytes: What Does It Mean?View test information
Low Magnesium: What Does It Mean?View test information
Low MCH: What Does It Mean?View test information
Low MCHC: What Does It Mean?View test information
Low MCV: What Does It Mean?View test information
Low Neutrophils: What Does It Mean?View test information
Low Phosphate (Phosphorus): What Does It Mean?View test information
Low Platelet Count (PLT): What Does It Mean?View test information
Low Potassium: What Does It Mean?View test information
Low Progesterone: What Does It Mean?View test information
Low PTH: What Does It Mean?View test information
Low Red Blood Cell Count (RBC): What Does It Mean?View test information
Low Serum Iron: What Does It Mean?View test information
Low Sodium: What Does It Mean?View test information
Low Testosterone: What Does It Mean?View test information
Low Total Bilirubin: What Does It Mean?View test information
Low Total Calcium: What Does It Mean?View test information
Low Total Iron-Binding Capacity (TIBC): What Does It Mean?View test information
Low Total Protein: What Does It Mean?View test information
Low Transferrin Saturation (TSAT): What Does It Mean?View test information
Low TSH: What Does It Mean?View test information
Low Urea: What Does It Mean?View test information
Low Uric Acid: What Does It Mean?View test information
Low Vitamin B12: What Does It Mean?View test information
Low White Blood Cell Count (WBC): What Does It Mean?View test information
Low Zinc: What Does It Mean?View test information
Lymphocytes: What Does This Blood Test Measure?View test information
Magnesium: What Does This Test Measure?View test information
MCH: What Does This Blood Test Measure?View test information
MCHC: What Does This Blood Test Measure?View test information
MCV: What Does This Blood Test Measure?View test information
Neutrophils: What Does This Blood Test Measure?View test information
Nitrites in Urine: What Does This Test Mean?View test information
NT-proBNP: High Result: What Does It Mean?View test information
NT-proBNP: What Does This Test Measure?View test information
OGTT in Pregnancy: What Is the Glucose Tolerance Test?View test information
OGTT: What Does This Test Measure?View test information
Phosphate (Phosphorus) in Children: How Is It Interpreted?View test information
Phosphate (Phosphorus): What Does This Test Measure?View test information
Platelet Count (PLT): What Does This Blood Test Measure?View test information
Positive Bacteria in Urine: What Does It Mean?View test information
Positive Blood in Urine (Dipstick): What Does It Mean?View test information
Positive Ketones in Urine: What Does It Mean?View test information
Positive Leukocyte Esterase: What Does It Mean?View test information
Positive Nitrites in Urine: What Does It Mean?View test information
Potassium: What Does This Test Measure?View test information
Procalcitonin: High Result: What Does It Mean?View test information
Procalcitonin: What Does This Test Measure?View test information