Potassium

Alphabetical Test listing

Potassium-211

  
Potassium
  
211
  
84132.1
  
K
  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.2 mL
  

If the patient has a white blood cell (WBC) count of >50,000, for chemistry testing that includes potassium, the sample should be collected in a gold serum separator (SST) tube and not a Lt green plasma separator (PST) tube.

  

Spin within two (2) hours of sample collection

 

  

Lt green plasma separator (PST)

 

  
Serum
  
  

Gold serum separator (SST) tube

  

Refrigerated (preferred) - 7 days

Ambient - 7 days

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)
  
AHL - Chemistry: C
  
Daily
  
1 day
  

Ion Selective Electrode - Indirect

  

 

Age Range (mmol/L)
 0 - 7 days  3.7 - 5.7
 1 week - 1 year  4.1 - 5.3
 1 - 12 years  3.4 - 4.7
Adult  3.5 - 5.0
  

Low:  < 2.8 mmol/L

High: > 6.0 mmol/L

  
84132
  
11/30/2001
  
02/12/2020
  
02/14/2020