Red Blood Cell Count and Indices

Red Blood Cell Tests

• Normal red blood cell count: 4.2-5.4 x10^6/mm^3 for men and 3.6-5 x10^6/mm^3 for women
• Average red blood cell count: 4.8 for men and 4.3 for women

Hematocrit (Hct) / Packed Cell Volume (PCV)

• Normal hematocrit: 36%-48% for women and 42%-52% for men

Hemoglobin (Hb)

• Normal hemoglobin: 12.0-16.0 g/dl for women and 14.0-17.4 g/dl for men

Sedimentation Rate (Sed Rate) / Erythrocyte Sedimentation Rate (ESR)

• Normal sedimentation rate: 0-15 mm/hr for men under 50 years, 0-20 mm/hr for men over 50 years, and 0-20 mm/hr for women under 50 years, 0-30 mm/hr for women over 50 years

White Blood Cell (WBC) Tests

• Normal white blood cell count: 4.5-10.5 x10^3 cells/mm^3

Hemostasis and Coagulation Tests

• Normal bleeding time: 3-10 minutes in most laboratories, 1-7 minutes for adults
• Normal platelet count: 140-400 x10^3/mm^3
• Normal partial thromboplastin time (PTT): 21.0-35.0 seconds
• Normal activated clotting time (ACT): 70-120 seconds
• Normal prothrombin time (PT): 11.0-13.0 seconds
• Normal international normalized ratio (INR): 0.8-1.2

End Products of Metabolism

• Normal ammonia (NH3) level: 15-60 μg/dL or 11-35 μmol/L
• Normal bilirubin level: Total: 0.3-1.0 mg/dL or 5-17 μmol/L, Conjugated (direct): 0.0-0.2 mg/dl or 0.0-3.4 μmol/L
• Normal blood urea nitrogen (BUN) level: 6-20 mg/dL or 2.1-7.1 mmol/L
• Normal creatinine level: Men: 0.8-1.2 mg/dl, Women: 0.6-0.9 mg/dl
• Normal uric acid level: Men: 4.4-7.4 mg/dl, Women: 2.3-6.6 mg/dl

Blood Protein Tests

• Normal albumin level: 3.5-5.2 g/dL or 35-52 g/L

Lipoprotein Tests/Lipoprotein Profiles

• Normal cholesterol level: Desirable: 140-199 mg/dL or 3.63-5.15 mmol/L, Borderline high: 200-239 mg/dL or 5.18-6.19 mmol/L, High: >240 mg/dL or >6.20 mmol/L
• Normal high-density lipoprotein cholesterol (HDL-C) level: Men: 35-65 mg/dL or 0.91-1.68 mmol/L, Women: 35-80 mg/dL or 0.91-2.07 mmol/L
• Normal low-density lipoprotein (LDL) level: Optimal: <100 mg/dL or <2.59 mmol/L