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Test Code NBLD0571 B-ALL Monitoring, MRD Detection, Bone Marrow

Additional Codes

Mayo Test Code: ALLM

Useful For

Aids in monitoring a previously confirmed diagnosis of B-cell lymphoblastic leukemia

Additional Tests

Test ID Reporting Name Available Separately Always Performed
FIRST Flow Cytometry, Cell Surface, First No, (Bill Only) Yes
ADD1 Flow Cytometry, Cell Surface, Addl No, (Bill Only) Yes

Testing Algorithm

When this test is ordered, flow cytometry interpretation, 2 to 8 markers will always be performed at an additional charge.

Specimen Type

Bone Marrow


Additional Testing Requirements


If cytogenetic tests are also desired an additional specimen should be submitted. It is important that the specimen be obtained, processed, and transported according to instructions for the other required test.



Shipping Instructions


Specimens must be received within 72 hours.



Necessary Information


If cytogenetic tests are also desired an additional specimen should be submitted. It is important that the specimen be obtained, processed, and transported according to instructions for the other required test.



Specimen Required


Container/Tube:

Preferred: Yellow top (ACD)
Acceptable: EDTA, heparin
Specimen Volume: 3 mL

Slides: Include 5- to 10-unstained bone marrow aspirate smears, if possible.
Collection Instructions:
1. Submission of bilateral specimens is not required.
2. Label specimen appropriately (bone marrow).


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Bone Marrow Ambient

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

NA

Reference Values

An interpretive report will be provided. This test will be processed as a laboratory consultation. An interpretation of the immunophenotypic findings and correlation with the morphologic features will be provided by a hematopathologist for every case.

Day(s) and Time(s) Performed

Specimens are processed and reported Monday through Saturday

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

88184-Flow cytometry; first cell surface, cytoplasmic or nuclear marker
88185 x 7-Flow cytometry; additional cell surface, cytoplasmic or nuclear marker (each)
88187-Flow cytometry interpretation, 2 to 8 markers

Method Name

Immunophenotyping

Test Classification

This test was developed using an analyte specific reagent. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FCINT Flow Cytometry Interp, 2-8 Markers No, (Bill Only) No

Forms

If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request Form (T726) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/hematopathology-request-form.pdf)