TABLE16.4 Normal Ranges for Key Blood Parameters
From Garritan S, Jones P, Kornberg T, et al: Laboratory values in the intensive care unit, Acute Care Perspect 3:7-11, 1995.
Types of Cells Purpose Symptoms Normal Ranges
White blood cells (leukocytes) Fight infection Leukopenia infections 4–11 k/ul
Neutrophil (absolute neutrophil count [ANC]) Fight infection Leukopenia infections 1500–8000 cells/ml
Red blood cells (erythrocytes) 3.8–6 million cells/ul
Hemoglobin 150,000–400,000 cells/mm3