Laboratory Services
Potassium, serum
Print this pageUpdated Test Information:
| Test Description |
Potassium, serum
|
|
|---|---|---|
| Synonym(s) |
K
|
|
| Test ID |
K
|
|
| Specimen Type |
Serum
|
|
| Specimen Requirements |
SST
|
|
| Alternate Specimen Type |
Red, Li-heparin plasma
|
|
| Minimum Sample Volume |
1 mL
|
|
| Pediatric Min. Volume (if applicable) |
500 uL
|
|
| Additional Processing Details |
Do not allow serum to remain on the cells after centrifugation.
|
|
| Stability |
14 days at 15-25°C
14 days at 2-8 °C Stable at -20°C |
|
| Unacceptable Specimen Conditions |
Hemolyzed or grossly lipemic samples
|
|
| Methodology |
Ion Selective Electrode
|
|
| Estimated TAT |
0-2 days
|
|
| Testing Schedule |
Monday-Saturday
|
|
| CPT Code(s) |
84132
|
|
| Reference Range |
Adult: 3.5-5.1 mmol/L
|
|
| Performing Lab |
Incyte Diagnostics
|
|
| LOINC Code(s) |
2823-3
|
