Test Code KHHER2QUANTIHC HER2 Semi-Quantitative, Immunohistochemistry
Specimen Required
This is not an orderable test. Order SURGP / Surgical Pathology Consultation, Tissue. The consultant will determine the need for special stains.
Useful For
Identification of HER2 protein overexpression in formalin-fixed, paraffin-embedded tissue sections
Method Name
This is not an orderable test. Order SURGP / Surgical Pathology Consultation, Tissue. The consultant will determine the need for special stains.
Immunohistochemistry (IHC)
Reporting Name
HER2 Semi Quantitative IHC, MANReference Values
This is not an orderable test. Order SURGP / Surgical Pathology Consultation, Tissue. The consultant will determine the need for special stains.
Reported as negative (0, 1+), equivocal (2+), and strongly positive (3+) according to the interpretation guidelines for the US Food and Drug Administration-approved Ventana pathway HER2 (4B5) antibody.
Performing Laboratory
MCHS- MankatoTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
88360