N450

Test CODE NAME

N450

Spinal Muscle Atrophy (SMA) or SMN1 Copy-number Analysis

Methodology: After DNA is isolated, exon 7 of the SMN1 gene and internal standard reference genes are amplified by polymerase chain reaction (PCR) followed by Capillary electrophoresis.
Performed: Varies
Reported: 6-9 business day
Specimen Required: Collect : Lavender-top (EDTA) tube - 2.0 ml Whole blood

Specimen Preparation: Send Original Tube to the laboratory

Storage/Transport Temperature: Refrigerated

Stability: Room Temperature: 48 hours; Refrigerated: 7 days

Note: Collection date and time required.

Rejection: Frozen whole blood, serum, leaking tube, clotted blood, grossly hemolyzed specimen, incorrect anticoagulant, unlabeled specimens.


NOTE: * This test is not available for New York patients, please refer to test code T257 for specimen requirements.*

Performing Laboratory
Lincoln Diagnostics LLC
CPT Code(s): 81401