Extended List of Normal Lab Values

Here is a list of normal lab values. Keep in mind that the values may be slightly different depending on the facility. This should only be used as a general reference. If you know of any that are missing from this list, add them in a comment down below.

Hematology  Chemistry  Coagulation  Blood gas  Urine  Other

Click here to download and print these lab values (pdf)


White blood cells (WBC) 3.6-11.6

Red blood cells (RBC) 3.54-5.14

Hemoglobin (HGB) 12.0-15.5

Hematocrit (HCT) 33.0-46.5

Mean corpuscular volume (MCV) 77.0-100.0

Mean corpuscular hemoglobin (MCH) 22.0-35.0

Mean corpuscular hemoglobin concentration (MCHC) 32.0-36.0

Red cell distribution width (RDW) 12.0-15.9

Platelet count (PLT) 121-365

Mean platelet volume (MPV) 6.7-10.3

Neutrophils (neut) % 40.0-98.0

Lymphocytes (lymph) % 10.5-42.0

Monocytes (mono) % 3.0-15.0

Eosinophils (eos) % 2.0-5.0

Basophils (baso) % 0.0-1.6

Absolute neuts 1.4-11.4

Absolute lymphs 0.4-4.8

Absolute Monos 0.1-1.7

Absolute Eos 0.0-0.4

Absolute Basos 0.0-0.2

Nucleated RBC % 0.0-0.4

Nucleated RBC # 0.00-0.02


Sodium (Na) 136-145

Potassium (K) 3.5-5.1

Chloride (Cl) 100-110

Carbon Dioxide (CO2) 21.0-32.0

Anion Gap 5-15

Blood Urea Nitrogen (BUN) 7.0-23.0

Creatinine (Creat) 0.50-1.20

Estimated Glomerular Filtration Rate (GFR) above 60

Glucose 70-100

Vitamin B12 193-986

Folate 3.1-17.5

Thyroid Stimulating Hormone (TSH) 0.34-4.82

Calcium (Ca) 8.5-10.1

Ionized calcium 4.50-5.45

Phosphorus (P) 2.5-4.9

Magnesium (Mg) 1.7-2.4

Iron (Fe) 40-170

Total Iron Binding Capacity (TIBC) 250-450

Iron saturation % 15-50

Ferritin 8-252

Total bilirubin 0.0-1.0

Direct bilirubin 0.0-0.3

Indirect bilirubin 0.0-1.2

Aspartate aminotransferase (AST) below 37

Alanine aminotransferase (ALT) below 78

Alkaline Phosphatase (ALP) 45-117

Total protein 6.4-8.5

Albumin (ALB) 3.4-5.0

Globulin 2.3-3.5

Albumin/globulin ratio 0.9-1.5

Troponin Less than 0.01

Lactic acid 0.4-1.9

Triglycerides 30-150

Cholesterol <200

Low density lipoprotein (LDL) "bad cholesterol" 0-130

High density lipoprotein (HDL) "good cholesterol" 40-59

Free Thyroxine (Free T4) 0.77 - 1.61

Lipase 73-393

Hemoglobin A1C (HBA1C) 4.5-6.2


Prothrombin time (PT) 9.1-13.3

International normalized ratio (INR) 0.82-1.17

Activated partial thromboplastin time (APTT) 22.0-36.0

D-dimer Less than 0.5

Fibrinogen 177-450

Blood Gas

Potential of hydrogen (PH) 7.35-7.45

Partial pressure of carbon dioxide (PCO2) 35.0-45.0

Partial pressure of oxygen (PO2) 80.0-105.0

Oxygen saturation (O2 sat) 95-100

Bicarbonate (HCO3) 23.0-28.0

Base Excess -3 to 3


Color - yellow

Appearance - clear

PH 5-8

Specific gravity 1.007-1.030

Protein - negative

Ketones - negative

Blood - negative

Nitrite - negative

Bilirubin - negative

Urobilinogen <1.0 mg/dL

Leukocyte esterase - negative

RBC 0-2

WBC 0-2

Squamous Epithelial Cells 0-2

Bacteria - none-rare

Hyaline Casts 0-2

Mucus - few

Yeast - none seen

Yeast with hyphae - none seen

Glucose <50 mg/dL


Theophylline (TPH) 10.0-20.0

Medical References for Caregivers

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