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Recent Thymic Emigrants

Source Blood
Mnemonic RTE
Specimen Requirements

Pediatric: 1 x 4 mL dark green top sodium heparin tube.

Adult: 1 x 4 mL dark green top sodium heparin tube.

Minimum volume: 0.5 mL

Also accepted: EDTA
Not accepted: ACD-A, sodium citrate, lithium heparin

Specimen Handling

Specimens submitted to CLS from within Alberta: Mix well. DO NOT centrifuge or freeze. Deliver immediately to Flow Cytometry.

Specimens submitted to CLS from outside Alberta: DO NOT centrifuge or freeze samples. Ship at room temperature or 4oC, using an overnight courier. Please follow Flow Cytometry Shipping and Handling instructions when sending to CLS.

Additional Information

Specimens submitted to CLS from within Alberta: Samples should be tested within 48 hours of collection.

Specimens submitted to CLS from outside Alberta: Use FC3200EP Flow Cytometry Out of Province Requisition.
For pricing and billing, refer to Flow Cytometry Billing and Pricing.

This assay reports the percentage and absolute count of CD3+ CD4+ CD45RA+ CD31+ T cells.

Testing Location Flow Cytometry
Testing Frequency Monday - Saturday
Alternate Name(s) RTE
Reference Interval Provided on report.