Bruton Tyrosine Kinase (BTK) Genotype and Protein Analysis, Full Gene Sequence and flow Cytometry - LG 5007


Sunquest Code:MMMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Methodology:Flow cytometry
CPT Code:88184, 81406
Turnaround Time:Specimens are sent to reference laboratory Mon-Thur; results are reported within 30 days.
Special Instructions:Bone marrow transplants will interfere with testing. Transfusions will interfere with testing for up to 4 to 6 weeks.
Associated Links:

Genetic Testing Consent Form



Collection Instructions

Specimen:Blood
Optimal Volume:5 mL
Minimum\Peds Volume:2 mL (pediatric)
Collection Instructions:Two separate EDTA specimens and the patient information sheet are required.


Processing and Shipping

Specimen Processing:Whole blood. Do not process. Specimen must arrive less than 72 hours after collection.
Shipping Instructions:Ship same day at room temperature, Mon-Thurs only. Must arrive within 72 hours of collection.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:BTKFP (89742)


Interpretive

Use:Preferred test for confirming a diagnosis of x-linked agammaglobulinemia (XLA) in males with a history of recurrent sinopulmonary infections, profound hypogammaglobulinemia, and <1% peripheral B cells.


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