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COVIDS

Preferred Sample Type

SARS-Cov2 IgG Antibodies

Suitable Specimen Types

  • Serum
3ml

Specimen Transport

Standard transport to laboratory

Turnaround Time

24 hrs from receipt

Sample Stability

7 days when stored at 4C or frozen

SARS-Cov2 IgG Antibodies

General Information

This test is used to identify serological evidence of exposure to SARS-Cov2 , the virus that causes Covid-19 and or vaccine response

In an acute presentation this antibody test is likely to be negative with seroconversion occurring after 10-20 days. Sero conversion post vaccine is not expected to occur until after 15 days.

Notes

Overall specificity = 100%

Overall sensitivity = 90% 
Please note that this assay is not currently included in
our ISO15189:2012 accreditation scope

Reference Range

SARS-CoV2 S1 Spike IgG reference range 0-49.9 AU/mL

Anti S1 IgG interpretation see below

Anti NC IgG interpretation see below

The test panel measures response to nucleocapsid (NC) and S1 spike proteins of SARS -COV2.

Current vaccines are based on the S1 spike protein only

Specifications

  • EQA Scheme?: Yes No
  • EQA Status: UK NEQAS for SARS COV-2/COVID 19 antibodies