9-12 days. Samples should be received at ANTECH™ Laboratory on Monday or Tuesday for timely processing and testing by the reference laboratory performing this test (CSU).
Specimen
Submit patient history, CSU Clinical Immunology Form, and the sample that correlates to the source of disease. Choose sample based on disease source, for:
A) Peripheral lymphocytosis, suspect leukemia, etc., submit: 1.0 mL whole blood or bone marrow in lavender top tube (EDTA) tube and CBC results that are no older than 48-hours.
OR
B) Multicentric lymphoma, lymphoma/suspect neoplastic cells in lymph node(s) or organ(s) submit: lymph node or other tissue/organ aspirate in non-additive red or white top tube. See Collection Method (or Special Instructions for Draw) for additional instructions.
OR
C) Pleural effusion and ascites, submit: 0.5 mL of cavity fluid in a lavender top tube (EDTA) and 0.5 mL in a red top tube (with a few drops of patient serum added for protein samples less than 4 mg/dL as evaluated on a refractometer). If only able to submit one effusion sample, submission of lavender top tube (EDTA) is preferred.
Test Description
A diagnostic procedure used to assess the chemical and physical characteristics of a lymphocyte population. Most commonly used to determine if there is a monoclonal subset of cells.