Methodology
Flow Cytometry (FC)
Specimen Type
Whole Blood
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01271
Lab Test Days
Daily
Standard TAT
2-3 Day
Collection Information
Specimen Required
0.5-5 mL Whole Blood
Container Type
Lavender (EDTA)
Collection Instructions
Volumes below 1 mL should be submitted in a pediatric EDTA (lavender-top) tube.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp: 72 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Rejection Criteria
Hemolysis; Lithium heparin (green-top) tube; ACD (yellow-top) tube; Clotted
Test Volume Required
5 mL Whole Blood
Minimum Test Volume
0.5 mL Whole Blood
Processing Instructions
ALL specimens for this test need to be packaged and submitted to Quest in a Hematopathology Specimen Transport box.
Included Tests
% CD3 (Mature T Cells), Absolute CD3+ Cells, % CD4, Absolute CD4+ Cells, % CD8, Absolute CD8+ Cells, CD4/CD8 Ratio, % CD19 (B Cells), Absolute CD19+ Cells and Absolute Lymphocytes.
CPT Codes
86355, 86359, 86360
Revised
11-09-19
Initials
SL