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HelpTest Code LAB4280 PH, PLEURAL FLUID
Specimen Type
Preferred Specimen: Dark Green Lithium Heparin Tube (no gel)
Alternative Specimen: Transparent Red Top Tube or sterile container
Specimen Volume
4 mL
Minimum Volume
3 mL
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily
Sample Stability
Room Temp: 2 hours
Refrigerated: 7 days
Specimen Processing
Specimen container should be tightly capped with minimal free air space. Avoid cell contamination if possible.
Method
pH meter or dipstick
Test Components
pH Fluid, pH Units.
CPT Codes
83986
Test Limitations
Ideally specimen should be analyzed without delay.