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HelpTest 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.
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, VSpecimen Type
VariesSpecimen Minimum Volume
Peripheral blood: 8 mL
Bone marrow: 2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 5 days |
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
| Bone marrow core biopsies Heparin sample Paraffin-embedded bone marrow clots Slides Paraffin shavings Moderately to severely clotted |
Reject |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Saturday
Report Available
4 to 8 daysPerforming 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 |