White Blood Count

WBC

2-8 C (ice packs) or ambient

Store at 2-8 C up to 24 hours, CBC’s not viable after 24 hours

EDTA Draw tube at least half full

None

Male/Female: 3.70-10.1 10e3/uL

Routine venipuncture

Draw tube

Flow Cytometric techniques

Decreased-viral infections, certain congenital birth disorders, cancer, autoimmune disorders, severe infections, medications, sarcoidosis. Specific causes of low WBC-Aplastic anemia, chemotherapy, radiation therapy,HIV/AIDS, hypersplenism, tuberculosis, Kostmann’s syndrome, Leukemia, Lupus, RA,malnutrition, vitamin deficiencies, myelodysplastic syndromes, myelokathexis. Increased-fight infection, reaction to drugs, disease of the bone marrow, immune disorder that increases production. Specific causes of high WBC-acute and chronic lymphocytic leukemia, acute and chronic myelogenous leukemia, allergy, drugs, infections, myelofibrosis, polycythemia vera, RA, smoking, stress, tuberculosis, whooping cough