Methodology: IHC

Clinical Significance:
CD22 is a B cell specific surface antigen expressed in mature B cells, and positive on B-cell neoplasms such as mantle cell lymphoma (MCL) and chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). Subcellular Localization: Membranous

Organ:

Disease State: Chronic Lymphocytic Leukemia / Small Lymphocytic Lymphoma (CLL/SLL)

CPT Code(s): 88342 or 88341. The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm