Potassium, PlasmaMain Content
CPT Code(s): 84132
Methodology: Ion Selective Electrode (ISE)
Clinical Significance: False elevations of potassium may be due to hemolysis or rupture of platelets during coagulation process. The use of plasma potassium levels should be limited to those patients with spuriously elevated or depressed potassium levels due to blood samples left at room temperature, in patients with chronic lymphocytic leukemia with very high WBC counts (false decline), and those with thrombocytosis (increased platelets) with counts in excess of one million (false elevation).
Alternative Name(s): Not applicable
SPECIAL INSTRUCTIONS: Separate plasma from cells promptly.
Supply: T35 Lithium Heparin Vacutainer
Preferred Specimen: Plasma
Preferred Volume: 2mL
Transport Container: Lithium Heparin (Green Top) tube
Transport Temperature: Room Temperature
Specimen Stability: Room Temperature: 7 days
Rejection Criteria: Serum or anticoagulamt other than lithium or sodium heparin
For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the Payor being billed.