USMLE Hematologic Lab Values

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USMLE Hematologic Lab Values:

HEMATOLOGIC REFERENCE RANGE SI REFERENCE INTERVALS
Bleeding time (template) 2-7 minutes 2-7 minutes
Erythrocyte count Male: 4.3-5.9 million/mm3 4.3-5.9 x 1012/L
  Female: 3.5-5.5 million/mm3 3.5-5.5 x 1012/L
Erythrocyte sedimentation rate (Westergren) Male: 0-15 mm/h 0-15 mm/h
  Female: 0-20 mm/h 0-20 mm/h
Hematocrit Male: 41-53% 0.41-0.53
  Female: 36-46% 0.36-0.46
Hemoglobin A1C < 6% < 0.06%
Hemoglobin, blood Male: 13.5-17.5 g/dL 2.09-2.71 mmol/L
  Female: 12.0-16.0 g/dL 1.86-2.48 mmol/L
Hemoglobin, plasma 1-4 mg/dL 0.16-0.62 mmol/L
Leukocyte count and differential    
Leukocyte count 4500-11,000/mm3 4.5-11.0 x 109/L
Segmented neutrophils 54-62% 0.54-0.62
Bands 3-5% 0.03-0.05
Eosinophils 1-3% 0.01-0.03
Basophils 0-0.75% 0-0.0075
Lymphocytes 25-33% 0.25-0.33
Monocytes 3-7% 0.03-0.07
Mean corpuscular hemoglobin 25.4-34.6 pg/cell 0.39-0.54 fmol/cell
Mean corpuscular hemoglobin concentration 31-36 % Hb/cell 4.81-5.58 mmol Hb/L
Mean corpuscular volume 80-100 micrometer3 80-100 fl
Partial thromboplastin time (activated) 25-40 seconds 25-40 seconds
Platelet count 150,000-400,000/mm3 150-400 x 109/L
Prothrombin time 11-15 seconds 11-15 seconds
Reticulocyte count 0.5-1.5% of red cells 0.005-0.015
Thrombin time <2 seconds deviation from control <2 seconds deviation from control
Volume    
Plasma Male: 25-43 mL/kg 0.025-0.043 L/kg
  Female: 28-45 mL/kg 0.028-0.045 L/kg
Red cell Male: 20-36 mL/kg 0.020-0.036 L/kg
  Female: 19-31 mL/kg 0.019-0.031 L/kg

Additional Reading:

Random USMLE Facts

1. Random USMLE Facts volume 1-1
2. Random USMLE Facts volume 2-1
3. Random USMLE Facts volume 3-1
4. Random USMLE Facts volume 4-1
5. Random USMLE Facts volume 5-1
6. Random USMLE Facts volume 6-1
7. Random USMLE Facts volume 7-1
8. Random USMLE Facts volume 8-1
9. Random USMLE Facts volume 9-1
10. Random USMLE Facts volume 10-1
11. Random USMLE Facts volume 11-1
12. Random USMLE Facts volume 12-1

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USMLE Laboratory (lab) Values

1. USMLE Blood Lab Values
2. USMLE Cerebrospinal Lab Values
3. USMLE Hematologic Lab Values
4. USMLE Sweat and Urine Lab Values

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Useful Medical Images & Diagrams (link opens in a new window)

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