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Detects cells infected with hepatitis B virus by identifying the surface antigen (HBsAg). Antibodies to the surface antigen appear early in the course of infection and can be used to monitor exposure and infection status. Identifies hepatitis B infected cells in the liver and other sites. The antibodies to surface antigens appear at an early stage of infection.
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred.
Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked.
Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.