Test Catalog

Hepatitis B, Surface Antigen. Confirmation

Clinical information

Diagnostic Utility:

This is the principle of neutralization against the hepatitis B virus (HBsAg) and its determination is useful in:

  • Confirming a reactive result in the HBsAg test.

Method:

HBsAg neutralization immunoassay by chemiluminescence (ChLIA).

Reference Values

Possible results are: Reactive and Non-reactive.

Diagnostic Algorithm:

Not applicable.

Response Time:

Maximum of 15 working days

Specimen information

Sample: Serum and/or plasma
Tube: 1-5 mL aliquots, plasma tubes with EDTA, potassium oxalate, sodium citrate, ACD-A, ACD-B, CP2D, CPD, or CPDA-1 as anticoagulant and/or serum tubes with and without gel separator.
Minimum essential volume: 2 ml
Stability:

  • At room temperature: ≤ 4 days
  • In refrigeration 2-8 ºC: ≤ 14 days
  • Sample frozen equal to or below -20ºC: 10 years

Transport instructions: Preferably at room temperature and/or refrigerated if they are whole blood tubes and frozen if they are serum and/or plasma aliquots.

Reason for rejection: Highly hemolyzed sample.

Administrative information

BST Code: 0104
Test Description: Hepatitis B, Surface Antigen. Confirmation
Synonyms: HBsAg, HBsAg neutralisation.
Section: Transfusion Safety Laboratory
BST Rate: Check the updated rates here.

References

  • Inserts kits test ABBOTT PRISM HBsAg Confirmatory