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Hepatitis B Surface Antibody, Blood - Saskatoon

Discipline

Biochemistry

Overview

Alias

  • Anti-HBs
  • HBsAb
  • HBABS Hepatitis B (Immune Status)

Specimen Information

Specimen types accepted

  • Serum

Specimen collection container

  • Preferred collection container: Gold (Gel)
  • Alternative collection container: Red

Required volume

  • Optimal: 4.5 mL (Full collection tube)
  • Minimum: 1.0 mL 

(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)

  • Pediatric: 1.0 mL

Transport and stability

  • 6 days at 2 - 8°C
  •  3 months at -20°C

Rejection criteria

Testing Information

Clinical interpretation

  • A Reactive result for Hepatitis B surface Ab) indicates either:
  1. Previous exposure to Hepatitis B virus
  2. Successful immunization

Performance

Methodology

  • Electrochemiluminescence Immunoassay (ECLIA)

Days/times performed

Availability
  • 24 hours a day
Testing site
  • RUH Chemistry Laboratory

Maximum laboratory time

  • In hospital reported within 2 hrs
  • Community urgent and inter-hospital reported within 4 hrs
  • Community routine reported within 48 hrs

Specimen retention time

  • 3 days

Last Updated: October 9, 2024