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
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 cycles - stable x 3

• Hemolysis
• Lipemia
• Gross bacterial contamination
• Heat- treated specimen
• Specimen with preservative added

Enzyme-linked immunosorbent assay (ELISA)

Negative:    0.0 - 20.0
Equivocal: 20.1 - 24.9
Positive:          > 24.9

Autoantibodies to gastric parietal cells are found in approximately 90% of patients with pernicious anemia and in about 30% of first degree relatives of patients with pernicious anemia. Increased levels of gastric parietal cells have been found in patients with thyroid disease, iron deficiency anemia, alopecia areata, and vitiligo.