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Lab Test Dictionary

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

Methodology

Flow Cytometry


Synonyms

Acquired Immune Deficiency Syndrome (AIDS); Immune Competence; Immune Status; Immunodeficiency Panel; T-Cell; CD4 T cell Count; Quantitative CD4 T cells; Cellular Immunodeficiencies; DiGeorge Syndrome; Neonatal thymic function; Severe Combined Immunodeficiency (SCID)

Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab


Epic ID

Other Reference Test

Lab Test Days

Monday-Friday

Standard TAT

3-4 Days


Collection Information

Specimen Required

1.5-3 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Collected Monday-Thursday only, no weekends or holidays. It is recommended that specimens arrive within 24 hours of collection.


Processing Information - Lab Use Only

Transport Temperature

Ambient-Only

Specimen Stability

Room Temp: 48 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Rejection Criteria

Gross hemolysis; Gross lipemia

Test Volume Required

3 mL Whole Blood

Minimum Test Volume

1.5 mL Whole Blood


CPT Codes

86356


Revised

08-28-17

Initials

SL