Test Code COV2S SARS-CoV-2 Total Spike Antibodies
Laboratory Code
LAB3041898
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0 mL
Minimum Volume: 0.5 mL Serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 14 days |
| Frozen | 3 months |
Methodology
Electrohemiluminescent Immunoassay
Days and Times Performed
Monday through Friday, TAT 1-4 days
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Gross Icterus | Reject |
| Gross Lipaemia | Reject |
| Others | Not applicable |
Reference Interval
Non-reactive: < 0.8 U/mL
Reactive: ≥ 0.8 U/mL
Testing Laboratory
National University Hospital, Singapore
Clinical Chemistry, 67724346
Useful For
Aiding in the identification of individuals with an adaptive immune response to SARS-CoV-2, indicating prior infection or vaccination.
Service Code
32168
LOINC Code Information
Not available
Alias
Coronavirus
COVID-19
SARS CoV-2 Ab
Update
Last updated 18/07/2025