- FK
Potassium, Body Fluid
Test Code
FK
Specimen Name
Potassium, Body Fluid
CPT Codes
- 84999
Collect
Plain Red Top Tube-no gel or sterile transport tube
Stability
7 days refrigerated
Volume
1 mL
Minimum Volume
0.5 mL
Performed
Daily
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT