Refrigerated - 10 Day(s)/Room Temperature - 10 Day(s)
Detects sequence variants in the GCH1 gene 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
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
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
Adult: 8 mL (6 mL) EDTA (lavender-top) whole blood
Pediatric: 2 mL (1 mL) EDTA (lavender-top) whole blood
Reported (Analytical Time)
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.
Transport Temperature: Room temperature Reject Criteria: Gross Hemolysis Methodology: Sanger Sequencing Setup: Varies