Casandra
Casandra Test Code NG98599Version 1 (DRAFT)
Performing Lab
Hepatitis B Surface Antigen
Clinical Use
Order TestUse
Hepatitis B surface antigen targets Hepatitis B Virus Surface Antigen in immunohistochemistry (IHC) applications, enabling detection of the surface antigen protein of Hepatitis B virus—an important marker appearing early in infection before core antigen antibodies appear.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
New York Approved
Methodology
Immunoassay (IHC)
Biomarkers
Hepatitis B Surface Antigen
ProteinIHC
Expression • Ordinal Score (e.g., TPS, CPS, H-score)
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Tissue (FFPE)
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Formalin‑fixed, paraffin‑embedded (FFPE) tissue block preferred or one unbaked, unstained H&E slide (required) plus two to three positively charged unstained slides cut at 4‑5 microns per test.
Storage Instructions
Use cold pack for transport; cold pack must not directly contact specimen. New York State clients must provide date and time of collection.