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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6. Video of HEENT Examination in a Clinical Setting
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8. Video and Description of Weber Hearing Test

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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