Methodology
Flow Cytometry
Synonyms
CD154; CD40 Activation; CD40 Ligand; Memory Cells; T cell Activation; IgM (Immunoglobulin)
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
1.2-4 mL Whole Blood
Container Type
Dark Green (Sodium Heparin)
Collection Instructions
Collect Monday-Thursday only, no weekends or holidays.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp: 72 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Rejection Criteria
Gross hemolysis; Gross lipemia; Lithium heparin
Test Volume Required
4 mL Whole Blood
Minimum Test Volume
1.2 mL Whole Blood
Comments
Insurance authorization is required prior to draw for outpatients. Ok to send on inpatients.
CPT Codes
88184, 88185 (x6)