Test Code K Potassium
Methodology
Ion-Selective Electrode (ISE)
Specimen Requirements
Please use preferred tube types whenever possible.
Preferred Container/Tube Type: Green Top (Lithium Heparin) Tube
Alternate Serum Separator Tube (SST)
Collection Instructions: Avoid hemolysis.
Transport refrigerated.
Day(s) Test Set Up
Monday through Sunday
Reference Values
3.3-5.1 mmol/L
| Call Back Values | Results |
|---|---|
| Critical Value |
<2.9 mmol/L ≥6.2 mmol/L |
| Preoperative Alert Values |
<3.2 mmol/L ≥6.0 mmol/L |
Test Classification and CPT Coding
84132
Performing Laboratory
Beebe Healthcare Laboratory
Performing Location
Margaret H. Rollins Laboratory
South Coastal Campus Laboratory
Specialty Surgical Hospital Laboratory
Specimen Tube Color
| Tube Cap Color | Tube Name | |
|---|---|---|
| Preferred | Mint Green | Mint Green Lithium Heparin |
| Alternate | Gold | Serum Separator Tubes (SST) |