TCGR - Specimen: T-Cell Receptor Gene Rearrangement, PCR, Blood

Test Catalog

Test Name

Test ID: TCGR    
T-Cell Receptor Gene Rearrangement, PCR, Blood

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

 

Specimen Type Describes the specimen type needed for testing

Whole blood

Shipping Instructions

Specimen must arrive within 7 days (168 hours) of draw.

Necessary Information

Include relevant clinical information and cytogenetics results, if available.

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Container/Tube:

Preferred: EDTA (lavender top)

Acceptable: ACD (yellow top)

Specimen Volume: 4 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send specimen in original tube.

Forms

1. Hematopathology Patient Information (T676) in Special Instructions

2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request Form (T726) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/hematopathology-request-form.pdf)

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

1 mL

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

Hemolysis

Mild OK; Gross reject

Lipemia

NA

Icterus

NA

Other

Moderately to severely clotted

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.

Specimen TypeTemperatureTime
Whole bloodAmbient (preferred)7 days
 Refrigerated 7 days