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93970: Complete Dopa-Responsive Dystonia (DYT5) Evaluation Print View
Summary Interpretation      
Interpretive Results      
Comments      
Table of Genes      

PRIMARY
1 Whole Blood EDTA 8 (6) mL   Refrigerated - 10 Day(s)/Room Temperature - 10 Day(s)  
ALTERNATE

Detects mutations in the GCH1 and TH genes. Indications include: Childhood onset of dystonia with positive response to low dose levodopa. Childhood onset of lower limb dystonia, typically in the foot with possible hyperflexia and striatal toe. Dramatic response to low doses of levodopa.

Physician Attestation of Informed Consent - This germline genetic
test requires physician attestation that patient consent has been
received.

Please label each specimen tube with two forms of patient
identification. These forms of identification must also appear on the
requisition form. Higher blood volumes ensure adequate DNA quantity,
which varies with WBC, specimen condition, and need for confirmatory
testing. Patients 0-3 years have higher WBC, yielding more DNA mL of
blood.

DNA yields and quality are better in fresh specimens.
However, when necessary, most genetic tests are successful from DNA
purified from whole blood that is several days old.

Other Acceptable specimen refers to Whole Blood "Pediatric
(0-3 years)"
Adult: 8 mL (6 mL) EDTA (lavender-top) whole blood
Pediatric: 2 mL (1 mL) EDTA (lavender-top) whole blood
Setup Schedule
Wednesday

Reported (Analytical Time)
16-30 days

CPT Codes
81406,81479,81405

The CPT codes provided 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 payer being billed.

Notes
Transport Temperature: Room temperature Reject Criteria: Gross Hemolysis Methodology: Sanger Sequencing; Multiplex Ligation-dependent Probe Amplification (MLPA) Setup: Varies






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