Test cost: 0 Rial

Status of test presentation: Existing

Sample type:

• 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.

Sample shipping:

Use cold pack for transport.

Make sure cold pack is not in direct contact with specimen.

Clinical information:

Factor VIII-related antigen is a component of Factor VIII complex. Factor VIII-related antigen is one of the available immunohistochemical markers of endothelial cells. It has also been demonstrated in platelets and megakaryocytes. IHC staining of Factor VIII-related antigen is useful for diagnosis of vascular neoplasms and for identification of vascular invasion by neoplasms.