Sign in →

Test Code K Potassium, Plasma or Serum

Methodology

Ion-Selective Electrode (ISE)

Performing Laboratory

Sky Lakes Medical Center-Chemistry

Specimen Requirements

Submit only 1 of the following specimens: Specimen Type: Plasma. Container/Tube: Green top (lithium heparin gel).Specimen Volume: 2 mL. Collection Instructions: Label specimen appropriately (plasma ). Specimen Type: Serum. Container/Tube: Red top or serum gelSpecimen Volume: 2 mL. Collection Instructions: Label specimen appropriately (serum).

Specimen Transport Temperature

Refrigerate/Ambient OK

Reference Values

0-3 days: 3.90-5.99 mmol/L; 3 days-3 months: 3.50-6.00 mmol/L; 3 – 12 months: 3.50-5.99 mmol/L; >1 year: 3.50-5.10 mmol/L. Critical values (automatic call-back):2.90 mmol/L or 6.0 mmol/L

Day(s) Test Set Up

Monday through Sunday Available STAT

Test Classification and CPT Coding

84132

Test Order Code

LAB114