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T-Cell Receptor (TCR) Gene Rearrangement
Method
Units
Reference Range
PCR
Specimen Requirements
Preferred
No
Type
Volume
Temperature/Stability
1
Bone marrow EDTA (purple top)
2.1 mL
Room temperature - 1 week Record draw time and date on tube. Transport immediately.
Alternate
No
Type
Volume
Temperature/Stability
1
Whole blood EDTA (purple top)
3-5 mL
Room temperature - 1 week Record draw time and date on tube. Transport immediately.
2
Formalin-fixed paraffin-embedded tissue
1 block
Room temperature - 1 year
General Information
Clinical Utility
This assay is useful for establishing clonality of T-cell receptor gene rearrangement for the diagnosis of T-cell lymphoid neoplasms and identification of minimal residual disease or early recurrence in patients with a previous diagnosis of T-cell neoplasm.
Set Up Schedule
Turnaround Time
CPT Codes
83891, 83898x2, 83909, 83912
FDA Status
ASR
Notes
Draw time and date are required to perform testing.
References
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