• This test is used to demonstrate the presence of drug to rule out patient non-compliance or to assess acute toxicity or overdose
• This test may also be useful in establishing a target range for HCQ use in prophylaxis or treatment of infection

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

Red serum vial/tube, 5 mL

Lavender (EDTA), 4mL

Dk green heparin (Li or Na), no gel

Lavender/Dk green:

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

Red:

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

Lavender/Dk green:

1. Spin
2. Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as the appropriate plasma type, within two (2) hours of sample collection

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

Ambient (preferred) - 17 days

Refrigerated - 17 days

Frozen - 23 days

    Freeze/thaw cycles, stable x6

• Gross hemolysis

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

An interpretive report will be provided