Spinal muscular atrophy (SMA)
Order Name
SPINAL MA
Test Number: 5593965
Revision Date 10/01/2022
Test Number: 5593965
Revision Date 10/01/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Spinal muscular atrophy (SMA)
|
Polymerase Chain Reaction |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 5mL (3mL) | Whole Blood | EDTA (Lavender Top) | Room Temperature |
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon-Fri |
| Expected TAT | 1-2 Weeks |
| Clinical Use | Spinal muscular atrophy (SMA) is a relatively common recessive autosomal disease affecting 1 in 6000 births. Four clinical types of the disease, types I - IV, are defined by decreasing severity of symptoms. |
| Notes | SMA analysis can be included in a the Hypotonia Panel with myotonic dystrophy (DM) and Prader-Willi Syndrome (PWS) to expedite diagnosis. Please submit Pre-Authorization form when the patient has United Healthcare insurance. |
| CPT Code(s) | (Pre-Authorization Required) 81400 (2013 code) |
| Internal Comments | OLD 83890, 83892x3, 83894x2, 83898x6, 83912 |
| Lab Section | Reference Lab |