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HelpPotassium, Plasma
Performing Lab(s)
Memorial-Belleville & Memorial-Shiloh
Specimen Requirement (s)
Specimen: plasma (preferred) or serum
Type: Container/Tube: Mint green (LiHep) tube (preferred), SST (gold or marble) or plain red top
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL of plasma
Collection Instructions: NA
Lab instructions: NA
Unacceptable Conditions
- Hemolyzed
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Reference Values
Potassium
|
Age |
Specimen Type |
Reference Values |
Critical Low |
Critical High |
|
0 – 1 year |
Plasma |
3.3 – 4.9 mmol/L |
≤ 2.6 mmol/L |
≥ 6.9 mmol/L |
|
0 – 1 year |
Serum |
3.6 – 5.2 mmol/L |
≤ 2.6 mmol/L |
≥ 6.9 mmol/L |
|
>1 year |
Plasma |
3.3 – 4.9 mmol/L |
≤ 2.6 mmol/L |
≥ 6.4 mmol/L |
|
>1 year |
Serum |
3.6 – 5.2 mmol/L |
≤ 2.6 mmol/L |
≥ 6.4 mmol/L |
CPT/LOINC Codes
84132