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Connexin32 DNA Sequencing Test
MessageTesting performed at Quest Diagnostics.
Test Code
CX32 SEQ/DEL(ATH#143)
CPT Codes
81403
Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.
Preferred Specimen
10 mL whole blood collected in ACD-A solution (yellow-top) tube
Minimum Volume
10 mL
Other Acceptable Specimens
Whole blood collected in: ACD-B solution (yellow-top) tube, or EDTA (lavender-top) tube
Instructions
Stability restrictions: Transport overnight express at room temperature. Do not transport refrigerated or frozen. Sample must arrive in Chantilly Monday through Thursday a.m. within 24 hours of collection.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable
Refrigerated: 72 hours
Frozen: Unacceptable
Methodology
Polymerase Chain Reaction • Deoxyribonucleic Acid Sequencing
Setup Schedule
Set up: Thurs, Fri; Report available: 23 days
Reference Range
No sequence variation detected
Clinical Significance
Disease(s) tested for: Charcot-Marie-Tooth Disease, Type 1X (CMT1X/CMTX)
Last Updated: December 18, 2015
