Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of Labor Day, GeneDx will be closed and will not accept specimens on Monday, September 7, 2015.  We will resume our normal schedule on Tuesday, September 8, 2015.  If you have any questions or inquiries, please call us at 301-519-2100 or email us at zebras@genedx.com.

BTK Del/Dup

FORMS AND DOCUMENTS

TEST DETAILS

Genes:
BTK
Disorders:
Clinical Utility:
  • Confirmation of clinical diagnosis
  • Distinguish among the various forms of primary immunodeficiency
  • Determination of appropriate treatment, including instituting prophylaxis
  • Carrier testing in female relatives of affected males
  • Prenatal diagnosis in at-risk pregnancies
Lab Method:
Exon Array CGH

ORDERING

Test Code:
906
Turnaround Time:
3-4 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube

BILLING

CPT Codes:
81479x1
New York Approved:
Yes
ABN Required:
Yes
Billing Information:
View Billing Policy
ICD Codes:
  • 279: Hypogammaglobulinemia, unspecified Agammaglobulinemia NOS
  • 279.04: Congenital hypogammaglobulinemia, Agammaglobulinemia: Bruton's type X-linked
* For price inquiries please email zebras@genedx.com

REFERENCES

  1. Conley ME et al, 2005, Genetic analysis of patients with defects in early B-cell development, Immunological Reviews 203:216.
  2. Mutations of the human BTK gene coding for Bruton tyrosine Kinase in X-linked agammaglobulinemia, 1999, Vihinen, M et al, Human Mutation 13:280-285.

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