Potassium (Calgary/South)
- Test Name:
- Potassium (Calgary/South)
- Collection Device/Tube Type:
-
*Preferred: 4.5 mL blood - MINT LIHEP PST (gel)
Acceptable: 4.5 mL blood - GOLD SST (gel)
- Submission Requirements:
- 1 mL lithium heparin plasma (or serum)
- Handling/Storage Comments:
- Sample must be centrifuged within 2 hours of collection to ensure accurate results
- Frequency of Testing:
-
Daily
- Reference Range:
-
- Critical Values:
-
- Comments:
- Potassium concentration is 0.2 to 0.5 mmol/L higher in serum than plasma
- Last Reviewed:
- 03 May 2023
