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B-cell Phenotyping Profile

Item Value
Available Stat? No
Test code BCPH
Performed by Mayo
Sendout? Yes
Method Flow cytometry
Container type Lavender top
Amount to Collect 4 mL blood
Sample type EDTA whiole blood
Preferred volume 4 mL blood
Min. Volume 3 mL blood
UCSF Rejection Criteria Gross lipemia
Processing notes Do Not use aliquot. Ship tube refrigerated to CB. Order Mayo test code RBCS. Ship refrigerated to Mayo.
Ref Lab Rejection Criteria Gross hemolysis or lipemia
Normal range
Stability 2 days
Additional information This assay is useful for:

1. Screening for common variable immunodeficiency (CVID) and hyper-IgM syndromes
2. Assessing B-cell subset reconstitution after stem cell or bone marrow transplant
3. Assessing response to B-cell-depleting immunotherapy
4. Identifying defects in TACI and BAFF-R in patients presenting with clinical symptoms and other laboratory features consistent with CVID
CPT coding 88184-90, 88185-90 x 7
Last Updated 6/21/2016 07:51:33
Entry Number 1538
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