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Potassium
Lab code: PK
 
Test Synonyms:
Potassium; K
 
Lab:
Core Lab
Inpatient Req:
Core Lab (#84927)  
Outpatient Req:
Clinical Labs (#83608)  
Specimen:
3 ml Green gel
Result Time:
2 hours   Cost: $
Reference Interval:
Adult: 3.4-4.8 mmol/L; <1 month: 4.0-5.6 mmol/L
Critical value defined. See MGH Critical Values for details.
 
Important Information:
Send sample to lab immediately. Hemolysis and refrigeration falsely elevates results.