Normal Reference Ranges
Adult
Male: 41 - 50 | Female: 36 - 48 %
Pediatric
35 - 45 %
Clinical Significance
Measures the volume percentage of red blood cells in blood. Usually roughly 3 times the Hemoglobin value.
Causes of High
- Polycythemia vera
- Dehydration
- High altitude
- Severe COPD / Chronic hypoxia
Causes of Low
- Anemia
- Bleeding
- Overhydration
- Bone marrow failure