TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: TCRVB    
TCR V-Beta Repertoire Analysis by Spectratyping, Blood

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

Additional tests that could be ordered include:

-TREC / T-Cell Receptor Excision Circles (TREC) Analysis, Blood

-CD4RT / CD4 T-Cell Recent Thymic Emigrants (RTE)

-TCP / T-Cell Subsets, Naive, Memory, and Activated

Specimen Type Describes the specimen type validated for testing

Whole Blood EDTA

Advisory Information

Mayo Laboratory Director/Consultant approval is required prior to ordering this test in patients >40 years of age.

Shipping Instructions

Specimens are required to be received in the laboratory weekdays and by 4 p.m. on Friday. Draw and package specimen as close to shipping time as possible.

 

It is recommended that specimens arrive within 24 hours of draw.

 

Samples arriving on the weekend and observed holidays may be canceled.

Necessary Information

Ordering physician's name and phone number are required.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

For serial monitoring, it is recommended to perform specimen collection at the same time of day, if possible.

 

Supplies: Ambient Shipping Box-Critical Specimens Only (T668)

Specimen Type: Blood

Container/Tube: Lavender top (EDTA)

Specimen Volume:

Adults: 10 mL

Pediatrics:

-Preferred volume for >1 year: 3 mL

-Preferred volume for < or =1 year: 1 mL

Collection Instructions: Send specimen in original tube.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Forms

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

Adults: 5 mL
Pediatrics: 1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Gross hemolysis Reject
Gross lipemia OK
Other Clotted

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Whole Blood EDTAAmbient48 hoursPURPLE OR PINK TOP/EDTA