B-Cell Phenotyping Profile for Immunodeficiency and Immune Competence Assessment - LG5893


Sunquest Code:MMMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:B Cell Phenotyping Profile
Methodology:Flow cytometry; Fluorescent flow cytometry
Turnaround Time:Results are reported within 4-6 days
Special Instructions:Specimen must be received by the reference laboratory weekdays and by 4 pm on Friday. It is recommended that specimens arrive within 24 hours of collection. Draw and package specimen as close to shipping time as possible. Ordering physician's name and phone number are required.


Collection Instructions

Specimen:Blood
Container:Purple (EDTA)
Collection Instructions:Two separate EDTA specimens are required: one at room temperature and one refrigerated. Send specimens in the original container.
For room temperature specimen:
  1. 3 mL, 1 mL minimum whole blood in purple (EDTA) tube.
  2. Label specimen as blood for TBBS/ T-Cell Quantitation by Flow Cytometry.

For refrigerated specimen:
  1. 14 years old or younger: 4 mL, 3 mL minimum whole blood in a purple (EDTA) tube.
  2. Greater than 14 years old:  10 mL, 5 mL minimum whole blood in a purple (EDTA) tube.
  3. Label specimen as blood for IABC / B-Cell phenotyping Screen for Immunodeficiency and Immune Competence Assessment, Blood.


Processing and Shipping

Specimen Processing:Do not process.
Shipping Instructions:Specimen must be received by the reference laboratory weekdays and by 4 pm on Friday. It is recommended that specimens arrive within 24 hours of collection. See collection instructions for individual shipping requirements.
Stability:Stability: Room temperature specimen up to 52 hours; refrigerated specimen up to 48 hours.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:IABCS


Interpretive

Reference Range:The appropriate age-related reference values will be provided on the report.
Use:Screening for common variable immunodeficiency (CVID) and hyper-IgM syndromes. Assessing response to B-Cell depleting immunotherapy.


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