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Cell Count and Differential, Pleural Fluid
Test CodePLEUCC
Includes
WBC coount and percentage segs and lymphs
Preferred Specimen
3 mL pleural fluid in an EDTA (lavender-top) tube or sodium heparin (green-top) tube
Minimum Volume
1 mL
Other Acceptable Specimens
EDTA tube
Transport Container
EDTA tube or original collection vial
Transport Temperature
Room temperature
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
24/7
Report Available
Same day
Limitations
Traumatic tap will affect results.
Reference Range
| Color | Pale Yellow |
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Appearance |
Clear |
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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
An excess accumulation of fluid within the pleura may occur in the presence of the following disease states: transudates, exudates, neoplastic disease, pulmonary emboli/infarction, collagen vascular disease, gastrointestinal disease, postmyocardial infarction, and trauma.
