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LQTS Del/Dup Panel

FORMS AND DOCUMENTS

TEST DETAILS

Genes:
AKAP9, ANK2, CACNA1C, CAV3, KCNE1, KCNE2, KCNH2, KCNJ2, KCNQ1, SCN4B, SCN5A, SNTA1
Disorders:
Clinical Utility:
  • Confirmation of a clinical diagnosis in symptomatic patients
  • Risk assessment for asymptomatic family members of a proband with LQTS
  • Recurrence risk calculation
  • Differentiation of hereditary LQTS from acquired (non-genetic) causes of LQTS.
  • Prenatal diagnosis in families with a known mutation
Lab Method:
Next-gen Sequencing
Clinical Sensitivity:
75%

ORDERING

Test Code:
484
Turnaround Time:
4-5 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube

BILLING

CPT Codes:
81282x1
New York Approved:
Yes
ABN Required:
Yes
Billing Information:
View Cardiology Billing Policy
ICD Codes:
  • 427.4: Ventricular fibrillation and flutter
  • 427.9: Cardiac dysrhythmia, unspecified Arrhythmia (cardiac) NOS
  • 426.82: Long QT syndrome
  • 427: Cardiac dysrhythmias
* For price inquiries please email zebras@genedx.com

REFERENCES

  1. Online Mendelian Inheritance in Man. www.ncbi.nlm.nih.gov/sites/entrez?db=OMIM
  2. Eddy CA et al., (2008) Heart Rhythm. 5(9):1275-1281.
  3. Vincent GM et al., (1998) Ann Rev Med 49:263-274.
  4. Moss AJ et al., (1995) Circulation 92:2929-2934.
  5. Lehnart SE et al., (2007) Circulation 116(20):2325-2345.
  6. Tester DJ et al., (2010) Am J Cardiol.106:1124 –1128

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