Potassium
Test Information
Test Name
Potassium
Synonyms
K, Electrolytes
Department
Biochemistry
Price
$10.00
Price Disclaimer
Many services are free for eligible patients. A minimum charge may apply. Prices listed are for unfunded, individual, requests. Please contact us for commercial testing.
Preferred Specimen
SST (Gold), see notes
Testing Location
All
Turn Around Time
1 Day
Collection Information
Patient Requestable
Yes
Processing Information
Registration Code
ELEC
Notes
- Endocrinologists requesting 'Heparin Potassium' - collect Heparin tube, register as normal, put HEPK in clinical details field
- Patients with high platelet counts may cause falsely high serum potassium, collect sample in Lithium Heparin tubes for plasma potassium.
Alternative Specimen
Lithium Heparin; Plain tube
Methodology
Sample Storage
Fridge - only stable for 1 week at 4-8C if removed from cells and/or gel layer present in sample
Sample Stability
1 week
Interpretations
View Interpretations