FLT3 ITD and TKD Mutation Detection by PCR
Test Mnemonic
FLT3IT
CPT Codes
- 81245 - QTY (1)
- 81246 - QTY (1)
Includes
- FLT3 Source
- ITD Result
- ITD Ratio
- TKD Result
- FLT3 ITD and TKD Mutation Detection
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Whole blood | EDTA (Lavender) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Bone marrow | EDTA (Lavender) | Refrigerated | ||
| 5 mL | Whole blood | Sodium heparin (Green) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Blood or bone marrow |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 7 days |
| Ambient | Unacceptable |
| Frozen | Unacceptable |
Days Performed
Varies
Turnaround Time
3 - 8 days
Methodology
| Name | Description |
|---|---|
| Capillary Electrophoresis (CE) |
Reference Range
Special Info
Plasma, serum, FFPE tissue blocks/slides, or frozen tissue will be rejected. Clotted or grossly hemolyzed specimens will be rejected. This test is New York DOH approved.
Clinical Info
Aids in diagnosis and management of acute myeloid leukemia. Not intended for minimal residual disease monitoring.