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HelpTest Code CMGA Cytomegalovirus (CMV) IgG Avidity Testing
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0mL / 6.0mL blood
Minimum Volume: 1.0mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 2 weeks |
| Frozen | 1 year |
Reference Interval
<50.0 % Avi: Low Avidity
50.0 – 59.9 % Avi: Grayzone
≥60.0% Avi: High Avidity
Days and Times Performed
Monday, Wednesday, Friday, TAT 2 – 4 days
Methodology
Chemiluminescent Immunoassay
Service Code
0031862
Update
last updated 16/05/2024
Updated on Methodology.
Unacceptable Condition
| Haemolysis: | Gross reject |
|---|---|
| Icterus: | NA |
| Lipaemic: | NA |
| Others: | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
To aid in the diagnosis of cytomegalovirus (CMV) infection during pregnancy after initial testing for CMV IgM and IgG has been performed.
Alias
Cytomegalovirus Antibody, IgG Avidity