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Protein, Total, Pleural Fluid
Test Code17427
CPT Codes
84157
Preferred Specimen
1 mL pleural fluid in sterile screw-cap container
Minimum Volume
0.2 mL
Instructions
Freeze and ship frozen on dry ice
Transport Temperature
Frozen
Specimen Stability
Room temperature: 7 days
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Spectrophotometry (SP)
Setup Schedule
Night Sets up 4 days a week.
Clinical Significance
An elevated pleural fluid protein level may indicate tuberculosis or parapneumonic effusion.
