Methodology
Molecular TCR Vb-CDR3 Fragment Length Analysis
Synonyms
Bone marrow transplantation; DiGeorge Syndrome; Hematopoietic cell transplantation; Immune Reconstitution; Immune System Diversity; Immunological Recovery; Leaky SCID; Oligoclonal T Cell; Omenn Syndrome; Primary Immunodeficiency; SCID; Spectratyping; T cell diversity; T cell recovery; T Cell Repertoire; T cell spectratype; TCR V-beta, TCR V-beta, TCRVB
Specimen Type
Whole Blood
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Varies
Standard TAT
10-14 Days
Collection Information
Specimen Required
Adults: 5-10 mL Whole Blood; Pediatrics: 1-3 mL Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Collect Monday-Thursday only, no weekends or holidays. Physician must complete the Mayo TCR V beta Spectratyping Assay Patient Info (T719) form and submit with specimen to the lab.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp: 48 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Rejection Criteria
Gross hemolysis; Clotted
Test Volume Required
Adults: 10 mL Whole Blood; Pediatrics: 3 mL Whole Blood
Minimum Test Volume
Adults: 5 mL Whole Blood; Pediatrics: 1 mL Whole Blood
Processing Instructions
Submit the completed Mayo TCR V beta Spectratyping Assay Patient Info (T719) form with specimen room temp same day as collected Monday-Thursday only, no weekends or holidays.
Comments
Insurance authorization is required prior to draw for Outpatients. MJ approval is required for Inpatients.
CPT Codes
81340
Revised
09-26-19
Initials
SL