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von Willebrand Factor Antigen, IHC with Interpretation (17092X)
Test Code32144P
CPT Codes
88342
Preferred Specimen
Formalin fixed paraffin embedded tissue in an IHC specimen transport kit
Other Acceptable Specimens
4-micron unstained slides • Fixed tissue • Tissue in neutral buffered formalin
Instructions
Pathology report is required
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable
Refrigerated: Indefinite
Frozen: Unacceptable
Methodology
Immunohistochemical Assay (IHC)
Setup Schedule
A.M. Sets up 6 days a week.
Clinical Significance
The presence of Factor VIII Related Antigen in malignant tissue is consistent with a vascular origin of the tumor.