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Impedance and Flow Cytometry
1.0 mL whole blood collected in EDTA (Lavender Top)
Refrigerated: 2 days (sample must be received within 2 days of collection)
Ranges below are given for absolute values:
- Low: <1.50 x10E3/µL
- High: >7.80 x10E3/µL
- Low: <0.85 x10E3/µL
- High: >3.90 x10E3/µL
- Low: <0.20 x10E3/µL
- High: >0.95 x10E3/µL
- Low: <0.00 x10E3/µL
- High: >0.50 x10E3/µL
- High >0.20 x10E3/µL
Neutrophils: High levels of neutrophils can be caused by acute bacterial, viral or fungal infections, inflammatory diseases, physiological stress, rigorous exercise, smoking, and chronic leukemia. Low levels of neutrophils can be caused by myelodysplastic syndrome, medications, autoimmune disorders, cancers, and aplastic anemia.
Lymphocytes: High levels of lymphocytes may be seen in acute viral infections and certain bacterial infections. Low levels can be seen in autoimmune disorders, bone marrow damage, and immune deficiency.
Monocytes: High levels of monocytes, monocytosis, can be caused by chronic infections, autoimmune diseases, monocytic leukemia, and chronic myelomonocytic leukemia. Low levels of monocytes, monocytopenia, can be caused by bone marrow damage or failure or hairy-cell leukemia.
Eosinophils: High levels of eosinophils, eosinophilia, can be caused by asthma, allergies, drug reactions, eczema, dermatitis, parasitic infections, inflammatory disorders, and certain cancers. High levels of eosinopils, eosinopenia, on one or just occasionally is usually not medically significant.
Basophils: High levels of basophils, basophilia, can be caused by allergic reactions, food allergies, autoimmune diseases and chronic myeloid leukemia. Low levels of basophils, basopenia, is usually not medically significant.