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Recommendations when to order or not order the test. May include related or preferred tests.
Use to confirm a suspected diagnosis of spinal muscular atrophy (SMA) and quantify SMN2 copy number for treatment purposes in affected individuals. Use for prenatal or preconception carrier screening for SMA in the general population, carrier screening for the reproductive partner of a known SMA carrier, and carrier screening for parents of a child with a deletion of the SMN1 gene or other family history of SMA.
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Lavender (EDTA), pink (K2EDTA), or yellow (ACD solution A or B)
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Transport 2 mL whole blood. (Min: 1 mL)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated. Also acceptable: Ambient.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
SMA
SMN1
SMN2
Spinal Muscular Atrophy
Spinal Muscular Atrophy (SMA) Copy Number Analysis
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