Bruton Tyrosine Kinase (BTK) Genotype and Protein Analysis, Full Gene Sequence and flow Cytometry - LG 5007
| Sunquest Code: | MMMISC | ||
| Epic Code: | LAB4909 | Epic 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: | |||
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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