Connexin 26 DNA sequencing test

Alphabetical Test listing

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

CX26
DFNB1A
DFNA3A
Gap juncion beta-2 protein
GJB2

Useful for:

Specimen type:

EDTA whole blood

Collection container:

Volume:

10.0 mL

Minimum volume:

0.7 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Transport container:

Lavender (EDTA), 4mL tube x 2

Transport and stability:

Refrigerated (preferred) - 2 weeks

Ambient - 7 days

Frozen - NO

Performing lab:

Center for Genetic Testing St. Francis Lab: Tulsa, OK via Mayo Clinic Laboratories (ZW172): R-NX

Days set up:

Varies

TAT:

10 - 12 days

Method:

Polymerase chain reaction (PCR) & DNA sequencing of exon 2 of the GJB2 gene

CPT codes:

83890
83894
83898 x 3
83904 x 6
83912

Subject to medical necessity (Y/N):

Date created:

08/31/2011

Revised date:

03/11/2022