DMPK DNA Test (DM1)

Test Code
36164


CPT Codes
81234

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


Minimum Volume
6 mL


Instructions
Do not freeze. Overnight shipping preferred.
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
Repeat Expansion Detection by PCR, Southern Blot

FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Report available: 14-28 days



Clinical Significance
Detects CTG repeat expansions in the muscle protein kinase (DMPK) gene.




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.