Blood Test Guides
One guide per blood test marker: what it measures, typical ranges in conventional and SI units, and common reasons for high or low results.
A to Z
- A1c (hemoglobin A1c)
- Albumin (ALB)
- ALP (alkaline phosphatase)
- ALT (alanine aminotransferase)
- aPTT (partial thromboplastin time)
- AST (aspartate aminotransferase)
- Basophils (BASO)
- HCO3Bicarbonate (HCO3)
- BUN (blood urea nitrogen)
- Calcium (Ca)
- Chloride (Cl)
- Creatinine (Cr)
- CRP (C-reactive protein)
- DBILDirect bilirubin (DBIL)
- eGFR (glomerular filtration rate)
- Eosinophils (EOS)
- ESR (sed rate)
- Fasting glucose (FBS)
- Ferritin
- Fibrinogen (factor I)
- Folate (vitamin B9)
- FT3 (free triiodothyronine)
- FT4 (free thyroxine)
- GGT (gamma-glutamyl transferase)
- Globulin
- HDL cholesterol
- HctHematocrit (Hct)
- HbHemoglobin (Hb)
- Iron (serum iron)
- LDL (low-density lipoprotein)
- Lymphocytes (LYMPH)
- MgMagnesium (Mg)
- MCH (mean corpuscular hemoglobin)
- MCHC (hemoglobin concentration)
- MCV (mean corpuscular volume)
- Monocytes (MONO)
- Neutrophils (NEUT)
- Non-HDL cholesterol
- PLT (platelet count)
- KPotassium (K)
- INRPT/INR (prothrombin time)
- RBC (red blood cell count)
- RDW (red cell distribution width)
- NaSodium (Na)
- TC (total cholesterol)
- TIBC (total iron-binding capacity)
- TBILTotal bilirubin (TBIL)
- Total protein (TP)
- TGTriglycerides (TG)
- TSAT (transferrin saturation)
- TSH (thyroid stimulating hormone)
- Urea (blood urea)
- Uric acid (urate)
- Vitamin B12 (cobalamin)
- Vitamin D (25-OH)
- WBC (white blood cell count)