Athena #804 TCF1 (MODY3) DNA Sequencing and Deletion

Message
Hemolysis may compromise DNA recovery after 48 hrs


Test Code
804


CPT Codes
81405(1), 81479(1)

Preferred Specimen
whole Blood


Minimum Volume
10 mL (pediatric minimum: 2 mL)


Instructions
Overnight at room temperature (specimen arrival must be less than 24 hrs after collection)


Transport Container
yellow or lav(EDTA)


Transport Temperature
Room Temp


Specimen Stability
Refrigerated For short periods (until shipped) at 4oC


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
freezing


Methodology
DNA sequencing, Multiplex Ligation-dependent Probe Amplification

Setup Schedule
M-Th


Report Available
28 days


Reference Range
No sequence variation or deletion detected


Clinical Significance
"Type of Disorder: Diabetes, Maturity-Onset Diabetes of the Young (MODY)

Typical Presentation: Non-ketotic hyperglycemia in non-obese individuals of any age

Indications for Testing: Non-ketotic insulin-sensitive hyperglycemia in individuals of any age;
Family history of mutations in TCF1

Disease(s) tested for: MODY3, Maturity-Onset Diabetes of Young (MODY)
Detects deletions and mutations in the HNF1A 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.