• Total CK
• CK-MB
• CK index

Biotin supplements may cause clinically significant interference for this test assay. If interference is suspected, it is strongly recomended that biotin is discontinued for at least one week prior to retesting

Lt green plasma separator (PST)

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Spin within two (2) hours of sample collection

Lt green plasma separator (PST)

Gold serum separator (SST) tube

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

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

Refrigerate - 12 hours*

* Transfer plasma or serum to a False bottom plasma/serum transport vial/tube (AHL) and freeze if sample will not reach the Central lab within 12 hours

Frozen (preferred) - 3 months

Refrigerated - 12 hours

Ambient - 5 hours

• Improper labels (unlabeled or mislabeled)
• Hemolysis (some procedures)
• Improper anticoagulant or ratio
• Delay in transport
• Improper storage temperature affecting results
• Improper container
• Leaking container resulting in compromised specimen
• Quantity not sufficient (QNS)

Electrochemiluminescence immunoassay (ECLIA)