Urine:

Screw cap plastic container (non sterile)  

Lithium heparin plasma:

Lt green plasma separator (PST)

• Collect blood sample within 2 hours of urine collection
• Immediatley following blood collection, mix the sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Urine:

Transfer sample to a Urine aliquot transport vial/tube - 10mL (AHL)

Lt green plasma separator (PST):

Spin within two (2) hours of sample collection

Urine:

 Urine aliquot transport vial/tube - 10mL (AHL) 

Plasma:

Lt green Plasma separator (PST) 

Serum:

Gold serum separator (SST) tube 

Serum:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Gold serum separator (SST) tube:

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection

Gold serum separator (SST) tube 

Refrigerated (preferred) - 7 days

Ambient - 7 days

• Improper labels (unlabeled or mislabeled)
• Hemolysis (some procedures)
• 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)

Ion Selective Electrode (ISE)

See report