IHC

CD33

Marks myeloid progenitors, monocytes, and macrophages. Expressed in chronic myelogenous and monocytic leukemias, some acute lymphoblastic leukemias, and select cases of myeloma.

Full Description

Marks myeloid progenitors, monocytes, and macrophages. Expressed in chronic myelogenous and monocytic leukemias, some acute lymphoblastic leukemias, and select cases of myeloma.

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