Laboratory Medicine
Laboratory Test Catalogue
Potassium (K) | |
---|---|
Test NamePotassium (K) |
|
Specimen Type / RequirementsContainer Type = Gold (SST) Minimum Testing Volume = 1ml Serum Tube must fill to at least ½ or greater of its vacuum capacity |
|
Specimen HandlingCollection Instructions: Serum or plasma, free from hemolysis, collected with or without gel separator. For plasma use lithium or ammonium heparin only. Separate serum or plasma from cells within 2 hours of collection Write your initials, date and time of collection on the collection label. Stability: Lytes is stable at room temperature for 24 h, refrigerated for 1 week and frozen at -15 to -20°C for 6 months. Transportation: Transport at room temperature ASAP. Laboratory Staff Instructions: Separate serum or plasma from cells within 2 hours of collection. Sample Rejection Criteria: Gross hemolysis and/or Non sufficient Quantity (Not Sufficient Quantity) will be cancelled. |
|
Required Documentation |
|
Turnaround Time (TAT)45 minutes Trauma/Stat, |
Test Utilization |
Reference ValuePotassium: Serum: 3.5-5.0 mmol/L Potassium Plasma: 3.2-4.8 mmol/L Critical Results: Serum < 2.5 mmol/L and > 5.7 mmol/L |
|
Test CodeK |
MethodologyIndirect Potentiometry |
Testing LocationSMH-Biochemistry |
Other InformationLast Updated: September 26, 2019 |