Annexin-A1 (ANXA1)

Detects a phagocytosis-associated gene product that is markedly upregulated in hairy cell leukemia, and shows reactivity in myeloid cells, macrophages, and certain benign T-cell subsets. Identifies a gene related to phagocytosis, found to be highly upregulated in hairy cell leukemia, and stains myeloid cells, macrophages, and subsets of benign T-cells.

Synonyms
lipocortin-1, calpactin II
Turnaround Time
24 hrs
Methodology
IHC
Specimen Requirements

Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumorblock preferred.

Unstained Slides: Recommended 2charged 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.

CPT Codes
88342x1 or 88341x1