Note: This guidance covers testing performed at the Stanford Clinical Lab for Blood Serology SARS CoV-2 Antibody IgG and IgM and is only intended for FACILITIES OUTSIDE OF STANFORD (including UHA).
Specimen Type: Blood Plasma
Blood Tube Type: Mint-top tube (lithium heparin, gel or no-gel tube)
Required Volume (adult): 2 mL plasma
Minimum Volume (pediatric): 1 mL plasma
Note: Only 1 tube is required if both IgG and IgM are ordered.
Blood Collection Guidelines:
- Plasma must be centrifuged within 6 hours of collection. Specimen is stable at 2-8°C for up to 3 days.
- If sending whole blood, refrigerated (2-8°C ) samples must be received within 2 hours of collection.