Potassium
Test Code
K
Description
Collect
Plain red top or SST tube.
Pediatric Collection
Minimum volume: 0.1 mL serum
Storage Transport Temp
Offsite: Frozen. Send serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:
1 week at RT (15-25°C)
1 week refrigerated at 2-8°C
Performed
Monday - Friday
Methodology
Ion Selective Electrode
Turnaround Time
4 hour routine, 1 hour STAT
Department
Core Lab
Synonyms
K
Reference Interval
|
Potassium, Serum |
Human |
|
|
Male |
Female |
|
|
mmol/L |
||
|
1 day - 30 days |
3.9-6.9 |
3.9-6.9 |
|
31 days - 11 months |
3.6-6.8 |
3.6-6.8 |
|
1 year - 4 years |
3.2-5.7 |
3.2-5.7 |
|
5 years - 9 years |
3.4-5.4 |
3.4-5.4 |
|
10 years 15 years |
3.5-5.1 |
3.5-5.1 |
|
16+ years |
3.7-5.0 |
3.7-5.0 |
CPT Code
84132