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Test ID LBOR0193 MayoComplete Acute Myeloid Leukemia, Therapeutic Gene Mutation Panel (FLT3, IDH1, IDH2, TP53), Next-Generation Sequencing, Varies


Ordering Guidance


This test is a subset of the NGSHM / Myeloid Neoplasms, Comprehensive OncoHeme Next-Generation Sequencing, Varies test and focuses more specifically on the gene mutations that are most utilized for therapeutic management of acute myeloid leukemias (AML). If a wider gene mutation analysis is desired or the indication for testing is for a myeloid malignancy other than AML, then NGSHM should be considered.



Shipping Instructions


Peripheral blood and bone marrow specimens must arrive within 14 days of collection.



Necessary Information


The following information is required:

1. Clinical diagnosis

2. Pertinent clinical history, including disease phase (diagnostic, remission, relapse/refractory) and therapy status (especially if patient has received a hematopoietic stem cell transplant).

3. Clinical or morphologic suspicion

4. Date of collection

5. Specimen source



Specimen Required


Submit only 1 of the following specimens:

 

Preferred Specimen Type: Bone marrow aspirate

Container/Tube:

Preferred: Lavender top (EDTA) or yellow top (ACD)

Acceptable: Green top (sodium heparin)

Specimen Volume: 2 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.

Specimen Stability: Ambient (preferred)/Refrigerate

 

Specimen Type: Peripheral blood

Container/Tube:

Preferred: Lavender top (EDTA) or yellow top (ACD)

Acceptable: Green top (sodium heparin)

Specimen Volume: 3 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 Stability: Ambient (preferred)/Refrigerate

 

Specimen Type: Extracted DNA from blood or bone marrow

Container/Tube: 1.5- to 2-mL tube with indication of volume and concentration of the DNA

Specimen Volume: Entire specimen

Collection Instructions: Label specimen as extracted DNA and source of specimen

Specimen Stability: Frozen (preferred)/Refrigerate/Ambient


Forms

1. Hematopathology Patient Information (T676)

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

Secondary ID

65661

Useful For

Evaluation of acute myeloid leukemia using a focused 4-gene panel at the time of diagnosis, or possibly relapsed or refractory disease, to help guide possible therapeutic approaches

Method Name

Next-Generation Sequencing (NGS)

Reporting Name

AML, 4 Gene, NGS, V

Specimen Type

Varies

Specimen Minimum Volume

Blood, Bone marrow: 1 mL
Extracted DNA: 100 mcL at 20 ng/mcL concentration

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies 14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Bone marrow biopsies
Slides
Paraffin shavings or frozen tissues
Paraffin-embedded tissues
Paraffin-embedded bone marrow aspirates
Moderately to severely clotted		 Reject

Reference Values

An interpretive report will be provided

Day(s) Performed

Monday through Friday

Report Available

16 to 21 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

81120

81121

81245

81246

81352