Name: Flow Cytometry, CD19 and CD20
Test Name: Flow Cytometry, CD19 and CD20
Health Link Test Code: HCCD1920
LIS Test Code: CD1920
CPT Code(s): 86355, 86356
B-Cell Antigens- CD19,CD20
Days Performed: Mon-Fri, dayshift- specimens accepted at anytime.
In-Lab Turnaround Time: 1 - 4 days.
Collection Container: Lavender top
Outside clients should send WBC and Differential results with specimen. If no results accompany request, a WBC and Differential will be added (see transport and limitations for more information)
Collection Volume: 4 mL
Pediatric Collection Volume: 2.5 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: 2 mL
Pediatric Testing Volume: 1 - 2 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. For clinic locations sending WBC and differential results along with specimen, specimen may be received within 8 hours of collection.
Hemolyzed, clotted, frozen or overheated specimens are not acceptable. Specimens older than 24 hours at the time of analysis are not acceptable.
Age 18 years and up
Please contact UWHC Flow Cytometry Laboratory at (608) 263-3868 for pediatric reference intervals.
Interpretation Type: Reference Interval
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.