Test Code LAB114 Potassium
Performing Lab
Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital
Ordering Recommendations
Determining the cause for hyper- or hypokalemia.
Included in BMP, CMP, & Renal Panel.
Collect
Serum or Plasma
Collection Device
Lithium Heparin Green Top Tube or Gold Top Tube
Specimen Handling
Sample must be separated within 2 hours of collection.
Stability (from collection to initiation)
Room Temp |
8 Hours |
Refrigerated |
1 week unopened |
Storage/Transport Temperature
Room Temp, Refrigerated
Specimen Volume
5 mL
Minimum Requirements
1 mL
Remarks
TURN AROUND TIME
STAT |
1 Hour |
Routine | 8 Hours |
Synonyms
k
Methodology
Indirect Potentiometry Ion Selective Electrode
Start Date
9/13/2017
Last Review Date
06/26/2025
7/11/25 AP