For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.
Analyte [material]
Reference range, target level, or decision threshold
Men: 40%-54% (0.41-0.54 L/L)
Women: 37%-47% (0.37-0.47 L/L), ≥33% in pregnant women
Interpretation of results
↓ Anemias, overhydration, pregnancy
↑ Polycythemia vera, secondary and relative polycythemias