USMLE Hematologic Lab Values
Rahul's Noteblog
Notes on USMLE facts, Exam Tips, and USMLE Lab Values
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 ?m3 | 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:
USMLE Laboratory (lab) Values
1. USMLE Blood Lab Values
2. USMLE Cerebrospinal Lab Values
3. USMLE Hematologic Lab Values
4. USMLE Sweat and Lab Urine Values
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