Click here for more information about laboratory operations and procedures
If you have additional questions regarding this test, please call: 415-353-1667
CD3 dose estimation
|Performed by||BMT Lab|
|In House Availability||Test performed Monday-Friday at 0800, 1300, and 1500 hours.|
|Collection Instructions||Specimens must reach the main laboratory a minimum of 30 minutes prior to the next scheduled run.
Testing on Saturday requires prior arrangement with HPCT (call x31789)
|Container type||Lavender top for blood or ACD for pheresis sample.|
|Amount to Collect||1 mL blood|
|Sample type||EDTA whole blood or Apheresis sample|
|Preferred volume||1 mL blood|
|Min. Volume||0.5 mL blood|
|Processing notes||Notify HPCT (x31789) when a specimen arrives at Central Processing. Samples are prepared from leukopheresis and must be delivered to Immunology before 1200 hours.|
|Normal range||Not applicable|
|Synonyms||CD3% for dosing calculations; flow cytometry|
|Turn around times||3 hours after receipt of sample or next day.|
|Additional information||This test can be ordered with the CD34 assay and performed on the same sample.
Immunology will report the percentage of the total WBCs which are CD3 cells. From the leukopheresis volume, the total leukocyte count in the pheresis, and the patient's weight, the Blood Bank will calculate the absolute number of CD3-positive cells (T lymphocytes) per kg to be infused into the patient.
This test was developed and its performance characteristics determined by the Clinical Laboratories at the Medical Center at UC San Francisco. It has not been cleared or approved by the U.S. Food and Drug Administration.
|LDT or Mod FDA?||Yes|
|Last Updated||2/25/2013 9:20:10 AM|