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Cell Count and Differential, Fluid, Other
Test Code20913
CPT Codes
89051
Includes
Color, Appearance, Total Nucleated Cell Count, Neutrophils %, Lymphocytes %, Monocyte/Macrophage %, Eosinophils %, Basophils %, Mesothelial %
Preferred Specimen
3 mL body fluid collected in EDTA (lavender-top), or sodium heparin (green-top) tube
Minimum Volume
1 mL
Other Acceptable Specimens
3 mL bronchial wash or lavage collected in a plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: Unacceptable
Refrigerated: 48 hours
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted
Methodology
Automated analyzer and/or Manual Microscopic examination
Setup Schedule
Monday-Saturday All Shifts Report available: Next Day
Limitations
Traumatic tap will affect results.
Reference Range
| Color | Not established |
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Appearance |
Not established |
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Total Nucleated Cell Count |
Not established |
| Neutrophils, % | Not established |
| Lymphocytes, % | Not established |
| Monocyte/Macrophage, % | Not established |
| Eosinophils, % | Not established |
| Basophils, % | Not established |
| Mesothelial, % | Not established |
Clinical Significance
Immunologic, mechanical, chemical or bacteriologic damage may alter the permeability of the membrane and capillaries to produce varying degrees of inflammatory response.
