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Beaumont Laboratory

Spinal Muscular Atrophy DNA Test - Carrier/Screening

SMA Panel, SMN, LabCorp #450010, Testing requires pathology approval prior to collection.

Instructions

This test is not included in the Beaumont Laboratory testing formulary, however, the Laboratory can facilitate specimen collection.

  • This test requires pathology review. Contact the Sendout Laboratory at 248-551-9045 before ordering this test.
  • Testing requires the ordering physician to send a copy of the patient's insurance card (front and back).
  • This test will be billed to the patient's insurance. If not covered by insurance, the patient is responsible for the full cost of testing.
  • Specimens received without the appropriate forms and information will not be shipped.
  • Once approved, order test as a Miscellaneous Sendout (XMISC). 

Specimen Collection Criteria

Collect: Three Lavender-top EDTA tubes or two Yellow-top ACD tubes, after obtaining necessary pathology approval. (Min: 10 mL)

Physician Office/Drawsite Specimen Preparation

Do not centrifuge or freeze. Maintain whole blood at room temperature (20-26°C or 68-78.8°F) prior to transport. Pathology review and all appropriate forms must be completed prior to specimen transport.

Preparation for Courier Transport

Transport: 14 mL whole blood, room temperature (20-26°C or 68-78.8°F). (Min: 10 mL)

Rejection Criteria

  • Specimens received without prior Laboratory notification and review.
  • Frozen specimens.
  • Centrifuged specimens.
  • Specimens not collected and processed as indicated. 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 96 hours
Refrigerated (2-8°C or 36-46°F): 96 hours
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to LabCorp Integrated Genetics, Calabasas Hills, CA.

Performed

Varies.
Results available in 6-10 days.

Reference Range

By report.

Test Methodology

Polymerase Chain Reaction (PCR) Amplification followed by Gel Electrophoresis.

CPT Code

81401. Add 81479 when SMN2 analysis is performed.

Test Codes

LabCorp #450010, Testing requires pathology approval prior to collection.

Last Updated

10/13/2016

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.