Synonyms
MPX
Full Description
Identifies a peroxidase enzyme expressed at high levels in granulocytes involved in phagocytic lysis of foreign particles. Myeloid cells of neutrophilic and eosinophilic types show strong cytoplasmic staining in normal tissues and myeloproliferative disorders. MPO is useful in distinguishing myeloid from lymphoid leukemias.
Methodology
IHC
Specimen Requirements
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred. Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked. Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Storage and Transportation
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
Turnaround Time
24 Hrs
CPT Codes
88342x1 or 88341x1