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

High BUN: What Does It Mean?View test information
High Chloride: What Does It Mean?View test information
High Cortisol: What Does It Mean?View test information
High Creatinine: What Does It Mean?View test information
High Direct Bilirubin: What Does It Mean?View test information
High Estradiol (E2): What Does It Mean?View test information
High Ferritin: What Does It Mean?View test information
High Folate: What Does It Mean?View test information
High Free T4 (FT4): What Does It Mean?View test information
High FSH: What Does It Mean?View test information
High GGT: What Does It Mean?View test information
High Glucose in Urine: What Does It Mean?View test information
High Glucose: What Does It Mean?View test information
High HbA1c: What Does It Mean?View test information
High Hematocrit (HCT): What Does It Mean?View test information
High Hemoglobin (HGB): What Does It Mean?View test information
High Ionized Calcium: What Does It Mean?View test information
High LDL Cholesterol: What Does It Mean?View test information
High LH: What Does It Mean?View test information
High Lipoprotein(a): What Does It Mean?View test information
High Lymphocytes: What Does It Mean?View test information
High Magnesium: What Does It Mean?View test information
High MCHC: What Does It Mean?View test information
High MCV: What Does It Mean?View test information
High Neutrophils: What Does It Mean?View test information
High Phosphate (Phosphorus): What Does It Mean?View test information
High Platelet Count (PLT): What Does It Mean?View test information
High Potassium: What Does It Mean?View test information
High Progesterone: What Does It Mean?View test information
High Prolactin (PRL): What Does It Mean?View test information
High Protein in Urine: What Does It Mean?View test information
High PTH: What Does It Mean?View test information
High RDW: What Does It Mean?View test information
High Red Blood Cell Count (RBC): What Does It Mean?View test information
High Red Blood Cells in Urine: What Does It Mean?View test information
High Serum Iron: What Does It Mean?View test information
High Sodium: What Does It Mean?View test information
High Testosterone: What Does It Mean?View test information
High Total Bilirubin: What Does It Mean?View test information
High Total Calcium: What Does It Mean?View test information
High Total Cholesterol: What Does It Mean?View test information
High Total Iron-Binding Capacity (TIBC): What Does It Mean?View test information
High Total Protein: What Does It Mean?View test information
High Transferrin Saturation (TSAT): What Does It Mean?View test information
High Triglycerides: What Does It Mean?View test information
High TSH: What Does It Mean?View test information
High uACR: What Does It Mean?View test information
High Urea: What Does It Mean?View test information
High Uric Acid: What Does It Mean?View test information
High Vitamin B12: What Does It Mean?View test information