Item Value
Test name Chimerism Testing – CD56 Cell Subset
Available Stat? Yes
Turn around times Test run Monday – Friday. Expected TAT for routine test is < 11 working days.
Performed by Immunogenetics & Transplantation Laboratory (ITL)
Normal range
Container type Yellow top (ACD)
Adult 8.5 mL size x2
Pediatric 3 mL x1 acceptable (see minimum volume information)
Amount to Collect
Adult 17 mL blood or marrow
Pediatric 8.5 mL blood or marrow (see minimum volume information)


If these volumes are problematic please contact ITL at 6-3887 to discuss test needs and sample requirements.
Collection Instructions Fill ACD tubes completely. Obtain ACD tube from Specimen Receiving. If collected with other chimerism tests and blood count is low, collect 2 yellow top tubes.

Note: Assuming a normal leukocyte count the 3 mL minimum sample size is only sufficient for a single study, multiple subsets will require additional sample. Please contact ITL at 6-3887 to discuss.

SAMPLE COLLECTION GUIDE FOR ITL TESTS:

Please use the following guide when collecting sample for ITL:

ITL TEST CATEGORY MAX. # TUBES FOR PT's > 12 KG SAMPLE VOL. FOR PT's < 12 KG
Antibody 2 RED TOP* 2.5 mL in RED TOP
HLA Typing 2 ACD* 2.5 mL in small ACD
Chimerism 2 ACD* 2.5 mL in small ACD
Crossmatch Donor 6 ACD* CONTACT ITL
Crossmatch Recipient 1 RED TOP* CONTACT ITL
Auto Crossmatch 6 ACD* & 1 RED TOP* CONTACT ITL

* Completely full 8.5 mL tubes

If two or more test categories are ordered add the # tubes together.
ITL (415) 476-3387

Note: Because of limited stability, samples should be collected Monday through Thursday avoiding holidays. If samples are collected Friday they must be delivered to the UCSF Clinical Laboratory by 12:00 noon.

Print out and submit an ITL Requisition with the sample. Click here for Form
Sample type ACD anticoagulated whole blood or bone marrow

If you have additional questions regarding this test, please call: 415-353-1667