Test Overview
Test Methodology

flow cytometry, multi-fluorochrome

Test Usage

This test is typically performed on peripheral blood day 8 post therapy. In patients with B-cell acute lymphoblastic leukemia (ALL), treatment response is evaluated with minimal residual disease (MRD) assays.

Reference Range *

Pathologist interpretation of results provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday, 8:00am - 4:30pm; Saturday 8:00am-12:00noon
Analytic Time

8 - 48 hrs

Soft Order Code
MRDPB
MiChart Code
Minimal Residual Disease for B-ALL; Peripheral Blood
Synonyms
    Laboratory
    Flow Cytometry
    Section
    Flow Cytometry
    Specimen Requirements
    Special Handling

    Samples received in EDTA at room temperature.
    Sample should be less than 48 hours old when set up. Specimens may be processed after 48
    hours and will be processed up to 72 hours and reported with a comment regarding
    specimen age.

    Contraindications
    This test should NOT replace send out testing for MRD-B ALL anti-CD19 testing at Johns Hopkins
    Normal Volume
    3 ml EDTA K2 whole blood in Vacutainer® tube
    Minimum Volume
    1 ml EDTA K2 whole blood in Vacutainer® tube
    Storage Temperature
    Samples received in EDTA at room temperature.
    Sample should be less than 48 hours old when set up. Specimens may be processed after 48
    hours and will be processed up to 72 hours and reported with a comment regarding
    specimen age.
    Additional Information

    Test includes pathologist interpretation of results billed as a separate additional charge. This test is not available without interpretation. Additonal markers will be run if clinically indicated. Measurement of TdT may be an adjunct to the diagnosis of some leukemias and lymphoblastic lymphomas and will be run at the discretion of the hematopathologist at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated. For consultation, contact the MLabs Client Services Center or Flow Cytometry Laboratory at 76-39420.

    Billing
    CPT Code
    88184, 88185 x5, 88187
    Fee Code
    23033, 23041 x5, 88187
    Pro Fee Code
    88187.1
    NY State Approved
    No