GJB1 (CX32) Sequencing and Deletion Evaluation

Test Code

92352

CPT Codes
81403, 81479<br /> *** RESTRICTED USE *** This code is available for Client #54840, 55738, 56176, 54279, 51618, 51921, 57748, 55851, 53814 and 54329 ONLY

Includes

GJB1 (CX32) Sequencing and Deletion Evaluation; GJB1 (CX32) Deletion Test; GJB1 (CX32) DNA Sequencing Test (133)

Preferred Specimen

8 mL whole blood collected in an EDTA (lavender-top) tube
Pediatric: 2 mL

Minimum Volume

6 mL
Pediatric: 1 mL

Instructions

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

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 10 days
Refrigerated: 10 days
Frozen: Unacceptable

Methodology
Sanger Sequencing • Multiplex Ligation-dependent Probe Amplification (MLPA)

Setup Schedule

Report available: 21-28 days

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.