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Test ID BLOD1502 T CELL SUBSET 20

AKA

Immunodeficiency Panel, T and B Cell Quantitation, TBNK20 Cells, TB20

Specimen Type/Requirements

Draw one lavender-top (EDTA) tube. Stable for 72 hours from collection.  A CBC with differential must be done within 6 hours of collection on a sample drawn at the same occasion as the tube for phenotyping.

Minimum Volume

Pediatric Assay Volume: 500 uL EDTA whole blood.

Transport Temperature

Transport specimen at room temperature. DO NOT SEND ON ICE OR FROZEN. In cold weather, send specimen in an insulated container. Specimen must be received within 72 hours and by NOON on Fridays.

Performed Test Frequency

Monday through Friday.

Methodology

Flow Cytometry

CPT

86355 x2; 86359; 86360; 86357

Storage On Site

Room temperature. Discarded after 48 hours.

Performing Lab

Sanford Fargo