Test Code 0207712 Potassium, Serum, or Plasma
Methodology
Ion-Selective Electrode (ISE)
Performing Laboratory
Alomere Health Hospital Laboratory
Specimen Requirements
Specimen Type: Serum
Collection Container/Tube:
Preferred: Gold (gel separator) or Red (plain)
Acceptable: Plasma, Green top Lithium heparin
Specimen Volume: 2.0 mL
Specimen Minimum Volume: 0.2 mL
Reject Due To:
Hemolysis: 2+
Lipemia: 4+
Specimen Transport Temperature
Refrigerated
Reference Values
0-1 month: 3.7-5.9 mmol/L
1 month - adult: 3.5-5.1 mmol/L
Critical values (automatic call back): ≤2.8 mmol/L or ≥6.2 mmol/L
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84132