Kenya Medical Laboratory Tests
Hepatitis B - (HBsAg) surface antigen Test in Kenya
Brief DescriptionThis is a blood test"," used for detection of HBs antigen in serum. It is prescribed to individuals suspected of Hepatitis B infections
SynonymsHBsAg"," HBV"," Hepatitis-associated Antigen"," Qualitative HBV surface antigen
Patient PreparationPatients taking biotin supplement are advised to abstain at least 72 hours to sample collection for more precise results.
Sample TypeSerum or plasma
Sample volume3.5 mL
Sample collection ContainerRed-top tube"," gel-barrier tube"," or lavender-top (EDTA) tube
Sample collection instructionsIf sample is not collected in gel-barrier tube"," separated plasma or serum should be transferred to a plastic transport tube.
Sample storagestable at room temperature/refrigerated/frozen for 14 days
Results Turnaround1-2 days after receipt of samples
Diseases / Diagnostic IndicatorsPositive HBsAg surface antigen"," is associated with Dark urine"," Fever"," Joint pain"," Loss of appetite"," Nausea and vomiting"," Weakness and fatigue"," jaundice