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Hepatitis B Core Antigen
- Immunohistochemistry (IHC)
Hepatitis B virus belongs to the hepatovirus family and causes type B hepatitis. Hepatitis B virus is spherical in shape with a diameter of 42 nm. Core antigens are localized within the nuclei, whereas the surface antigens are present in the cytoplasm of the infected cells. Antibodies to surface antigens appear in circulation at an early stage of infection, whereas the antibodies to the core antigens are detected in blood after several weeks. Hepatitis B core antibody targets Hepatitis B Virus Core Antigen in IHC applications.
Turnaround time
Global: 2 Day, Tech-Only (stain only): 1 Day
Level of Service
- Global
- Technical Only
New York Approved: Yes
Specimen Requirements
A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type or one (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody ordered. Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Storage and Transportation
Storage & Transportation: Use cold pack for transport, making sure cold pack is not in direct contact with specimen. NYS clients please provide date and time of Collection.
CPT Code(s)*
88342 x 1 or 88341 x 1
*The CPT codes provided with our test descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.
Last Updated: January 22, 2025