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HelpTest Code QBSAG Hepatitis B Surface Antigen (Quantitative)
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0mL / 6.0mL blood
Minimum Volume: 0.5mL 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 | 7 days |
| Refrigerate | 14 days |
| Frozen | 28 days |
Reference Interval
< 0.05 IU/mL: considered Non-reactive by the criteria of ALINITY HBsAg
≥ 0.05 IU/mL: considered Reactive by the criteria of ALINITY HBsAg
Days and Times Performed
Tuesday, TAT 2-8 days
Methodology
Chemiluminescent Immunoassay
Service Code
0032131
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
Quantification of serum Hepatitis B surface antigen helps the management of patients with Chronic Hepatitis B infection.
Alias
QBsAG