High serum biotin concentrations in patients taking biotin supplements may cause an interference in this assay. Patients may be advised to stop biotin consumption at least 72 hours prior to sample collection.

Gold serum separator (SST) tube

Immediatley following collection, 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

Red serum vial/tube - 5 mL

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection
3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Transfer vial/tube with cap - 12mL (LabCorp)

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days

Freeze/Thaw cycle - stable x3

Roche Diagnostics Electrochemiluminescence Immunoassay (ECLIA)

See report