Davis's Drug Guide

Normal Values of Common Laboratory Tests

SERUM TESTS

HEMATOLOGICMENWOMEN
Hemoglobin13.5–18 g/dl12–16 g/dl
Hematocrit40–54%38–47%
Red blood cells (RBC)4.6–6.2 million/mm³4.2–5.4 million/mm³
Mean corpuscular volume (MCV)76–100 (micrometer)³76–100 (micrometer)³
Mean corpuscular hemoglobin (MCH)27–33 picogram27–33 picogram
Mean corpuscular hemoglobin concentration (MCHC)33–37 g/dl33–37 g/dl
Erythrocyte sedimentation rate (ESR)<=20 mm/hr<=30 mm/hr
Leukocytes (WBC)5000–10,000/mm³5000–10,000/mm³
Neutrophils54–75% (3000–7500/mm³)54–75% (3000–7500/mm³)
Bands3–8% (150–700/mm³)3–8% (150–700/mm³)
Eosinophils1–4% (50–400/mm³)1–4% (50–400/mm³)
Basophils0–1% (25–100/mm³)0–1% (25–100/mm³)
Monocytes2–8% (100–500/mm³)2–8% (100–500/mm³)
Lymphocytes25–40% (1500–4500/mm³)25–40% (1500–4500/mm³)
T lymphocytes60–80% of lymphocytes60–80% of lymphocytes
B lymphocytes10–20% of lymphocytes10–20% of lymphocytes
Platelets150,000–450,000/mm³150,000–450,000/mm³
Prothrombin time (PT)9.6–11.8 sec9.5–11.3 sec
Partial thromboplastin time (PTT)30–45 sec30–45 sec
Bleeding time (duke)1–3 min1–3 min
(ivy)3–6 min3–6 min
(template)3–6 min3–6 min
Clotting time (Lee-White)4–8 min4–8 min
CHEMISTRYMENWOMEN
Sodium135–145 mEq/L135–145 mEq/L
Potassium3.5–5.0 mEq/L3.5–5.0 mEq/L
Chloride95–105 mEq/L95–105 mEq/L
Bicarbonate (HCO3)19–25 mEq/L19–25 mEq/L
Total calcium9–11 mg/dl or 4.5–5.5 mEq/L9–11 mg/dl or 4.5–5.5 mEq/L
Ionized calcium4.2–5.4 mg/dl or 2.1–2.6 mEq/L4.2–5.4 mg/dl or 2.1–2.6 mEq/L
Phosphorus/phosphate2.4–4.7 mg/dl2.4–4.7 mg/dl
Magnesium1.8–3.0 mg/dl or 1.5–2.5 mEq/L1.8–3.0 mg/dl or 1.5–2.5 mEq/L
Glucose65–99 mg/dl65–99 mg/dl
Osmolality285–310 mOsm/kg285–310 mOsm/kg
Ammonia (NH3)10–80 mcg/dl10–80 mcg/dl
Amylase<=130 U/L<=130 U/L
Creatine phosphokinase total (CK, CPK)<150 U/L<150 U/L
Creatine kinase isoenzymes, MB fraction>5% in MI>5% in MI
Lactic dehydrogenase (LDH)50–150 U/L50–150 U/L
Protein, total6–8 g/d6–8 g/d
Albumin4–6 g/dl4–6 g/dl
HEPATICMENWOMEN
AST8–46 U/L7–34 U/L
ALT10–30 IU/ml10–30 IU/ml
Total bilirubin0.3–1.2 mg/dl0.3–1.2 mg/dl
Conjugated bilirubin0.0–0.2 mg/dl0.0–0.2 mg/dl
Unconjugated (indirect) bilirubin0.2–0.8 mg/dl0.2–0.8 mg/dl
Alkaline phosphatase20–90 U/L20–90 U/L
RENALMENWOMEN
BUN6–20 mg/dl6–20 mg/dl
Creatinine0.6–1.3 mg/dl0.5–1.0 mg/dl
Uric acid4.0–8.5 mg/dl2.7–7.3 mg/dl
ARTERIAL BLOOD GASESMENWOMEN
pH7.35–7.457.35–7.45
Po280–100 mmHg80–100 mmHg
Pco235–45 mmHg35–45 mmHg
O2 saturation95–97%95–97%
Base excess+2–(-2)+2–(-2)
Bicarbonate (HCO3-)22–26 mEq/L22–26 mEq/L



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