Name: Flow Cytometry, CD3
Test Name: Flow Cytometry, CD3
Health Link Test Code: HCTOT3
LIS Test Code: TOT3
CPT Code(s): 86359
Absolute lymphocyte count, percent and absolute numbers of CD3 cells (T-cells)
Methodology: Flow Cytometry
CD3 analysis is used to follow CD3 level post certain immune suppressive therapies (eg. OKT3, ATG).
Days Performed: Mon-Fri, dayshift- specimens accepted at anytime.
In-Lab Turnaround Time: 1 - 4 days.
Stat In-Lab Turnaround Time: Not available stat.
Collection Container: Lavender top
An order for a WBC and differential must accompany request. Outside clients should send WBC and differential results along with specimen. If no results accompany request, a WBC and differential will be added.
Collection Volume: 4 mL
Pediatric Collection Volume: 1 mL
6 hours if WBC and Differential results do not accompany specimen, 24 hours if WBC and Differential results accompany specimen
Sample Analyzed: Whole Blood
Testing Volume: 1 mL
Pediatric Testing Volume: 0.5 mL
Keep specimen at room temperature. Do NOT centrifuge tube.
Transport unopened tube at room temperature to UWHC Hospital Laboratory within 4 hours of collection. Maintain ambient temperature during transport. DO NOT centrifuge.
Hemolyzed, clotted, frozen or overheated specimens are not acceptable. Samples greater than 24 hours old at time of analysis are not acceptable.
Absolute values will not be calculated if WBC and differential request or results are not received.
This test was developed and its performance characteristics determined by the UWHC Clinical Laboratories. This test meets the standards for clinical testing. This test should not be regarded as investigational or for research use. The US Food and Drug Administration (FDA) has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.