Test ID: CD4RT
CD4 T-Cell Recent Thymic Emigrants (RTE)
Specimen Type 
Describes the specimen type needed for testing
Whole Blood EDTA
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.
Specimen must arrive within 48 hours of draw. Send specimen Sunday through Thursday only. Draw and package specimen as close to shipping time as possible.
Container/Tube: Lavender top (EDTA)
Specimen Volume 3 mL
Collection Instructions:
1. Send specimen in original tube. Do not aliquot.
2. Ship specimen overnight in an Ambient Mailer-Critical Specimens Only (Supply T668).
Additional Information: Ordering physician name and phone number are required.
Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.
1.5 mL
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| Hemolysis | Mild OK; Gross reject |
| Lipemia | Mild OK; Gross reject |
| Icterus | NA |
| Other | NA |
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 Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Ambient | 48 hours |
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