8 - 48 hrs
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Flow Cytometry; multi-fluorochrome
This test is typically performed on bone marrow aspirate, day 29 post therapy. In patients with B-cell acute lymphoblastic leukemia (ALL), treatment response is evaluated with minimal residual disease (MRD) assays.
Pathologist interpretation of results provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
The following information is required on a Hematopathology Consult requisition:
<ol><li>Relevant clinical history
</li><li>Clinical or morphological findings and suspicions
</li><li>Date and time of collection
</li><li>Phone number and after hours pager number for ordering physician
<strong>BONE MARROW ASPIRATE:</strong>
<ul><li>Add 1 - 2 ml of first pull bone marrow aspirate to a green top sodium heparin Vacutainer® tube. Send intact specimen at room temperature within 12 hours of collection.
</li><li>Include 4 unstained aspirate smears
</li><li>Include an unstained peripheral blood smear
</li><li>Include a copy of the patient's most recent White Blood Cell and platelet counts, and peripheral blood differential.