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Test Code T821Q RUNX1-RUNX1T1 Translocation (8;21), Minimal Residual Disease Monitoring, Quantitative, Varies


Shipping Instructions


1. Refrigerated specimens must arrive within 5 days of collection, and ambient specimens must arrive within 3 days of collection.

2. Collect and package specimen as close to shipping time as possible.



Necessary Information


The following information is required:

1. Pertinent clinical history

2. Date of collection

3. Specimen source (blood or bone marrow)



Specimen Required


Submit only 1 of the following specimens:

 

Specimen Type: Blood

Container/Tube: Lavender top (EDTA) or yellow top (ACD-B)

Specimen Volume: 10 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send whole blood specimen in original tube. Do not aliquot.

3. Label specimen as blood.

 

Specimen Type: Bone marrow aspirate

Container/Tube: Lavender top (EDTA) or yellow top (ACD-B)

Specimen Volume: 4 mL

Collection Instructions:

1. Invert several times to mix bone marrow.

2. Send bone marrow specimen in original tube. Do not aliquot.

3. Label specimen as bone marrow.


Forms

1. Hematopathology Patient Information (T676)

2. If not ordering electronically, complete, print, and send an Hematopathology/Cytogenetics Test Request (T726) with the specimen.

Useful For

Detection of RUNX1-RUNX1T1 gene fusion in acute myeloid leukemia patients at the time of diagnosis

 

Minimal residual disease monitoring during the clinical and therapeutic course of these patients

Method Name

Quantitative Real-Time Reverse Transcription Polymerase Chain Reaction (qRT-PCR)

Reporting Name

RUNX1/RUNX1T1, t(8;21), Quant, V

Specimen Type

Varies

Specimen Minimum Volume

Peripheral blood: 8 mL
Bone marrow: 2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 5 days
  Ambient  72 hours

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Saturday

Report Available

4 to 8 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

81401 

LOINC Code Information

Test ID Test Order Name Order LOINC Value
T821Q RUNX1/RUNX1T1, t(8;21), Quant, V 72207-4

 

Result ID Test Result Name Result LOINC Value
MP061 Specimen Type 31208-2
615906 Interpretation 69047-9
616034 Signing Pathologist 18771-6