Gold serum separator (SST) tube

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

1. Allow the specimen to clot for a minimum of 30 minutes
2. Spin within one (1) hour of collection
3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum 
4. Freeze

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Red serum vial/tube - 5 mL

Lavender (EDTA), 4mL

Dk green heparin (Li or Na), no gel

Lavender/Dk green:

Immediatley following collection, mix by inverting 5 - 10 times to prevent clotting

Red:

1. Allow the specimen to clot 
2. Spin within one (1) hour of collection
3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum 
4. Freeze

Lavender/Dk green:

1. Spin within one (1) hour of collection
2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as the appropriate plasma type
3. Freeze

Frozen (preferred) - 1 year

Refrigerated - 14 days

Ambient - 6 days

Mass Spectrometry (MS)

ng/dL