Factor VIII RA
Also known as: Factor VIII-related antigen
Use
Factor VIII-related antigen is a component of Factor VIII complex and one of the immunohistochemical markers of endothelial cells. It is also seen in platelets and megakaryocytes. IHC staining of Factor VIII‑related antigen assists in diagnosing vascular neoplasms and identifying vascular invasion by tumors.
Special Instructions
Not provided.
Limitations
Not provided.
New York Approved
Methodology
Immunoassay (IHC)
Biomarkers
Result Turnaround Time
24 hours
Related Documents
For more information, please review the documents below
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)
Storage Instructions
Use cold pack for transport; ensure cold pack not in direct contact with specimen; NYS clients provide date and time of collection