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92884: Cacna1a Sequencing Test Print View
Interpretation      
Technical Results      
Comments      
Methods      
References      

PRIMARY
1 Whole Blood EDTA 8 (6) mL   Room Temperature - 10 Day(s)/Refrigerated - 10 Day(s)  
ALTERNATE

Detects sequence variants in the CACNA1A gene in patients with migraine, migraine with aura, reversible hemiparesis, atypical migraine, and family history of migraine, seizures.

Please label each specimen tube with two forms of patient
identification. These forms of identification must also appear on the
requisition form.

Higher blood volumes ensure adequate DNA quantity, which varies with
WBC, specimen condition, and need for confirmatory testing. Patients,
0-3 years have higher WBC, yielding more DNA per mL of blood.
Setup Schedule
Wednesday

Reported (Analytical Time)
30-37 days

CPT Code
81407

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
**This test is now available for New York patient testing**

Physician Attestation of Informed Consent:
This germline genetic test requires physician attestation that patient consent has been received.

Set-up: As needed
Specimen Requirements: 8 mL (6 mL minimum) whole blood collected in two EDTA (lavender-top) tubes
Pediatric (0-3 years): 2 mL (1 mL minimum)
Transport Temperature: Room temperature
Reject Criteria: Received frozen
Methodology: Next Generation Sequencing






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