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Test Name:Potassium  
Epic Order Code:LAB114  
CPT Code:84132  
Specimen(s) Type:Plasma or Serum; 0.5 mL
Acceptable Container(s):Tops are light green and gold.
Testing Schedule:24 hrs/day, 7 days/week
Turn Around Time:STAT: 1 hour  
 Routine: 2 hours  
Collection Information:No special patient preparation is required. Collect specimens by standard phlebotomy procedures.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove plasma/serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 24 hours.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, excessive hemolysis.
Reference Range:Plasma: 3.4 - 4.5 mmol/L
 Serum: 3.5 - 5.1 mmol/L
 Critical: < 2.5 or > 6.5 mmol/L
Additional Information:Test included in Electrolyte Panel, BMP, CMP and Renal Panel