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B216 : Fetal, Spinal Muscular Atrophy

Test Code Test Name
B216-3 Fetal, Spinal Muscular Atrophy
Alternate Name Fetal, SMA testing
Methodology Methylation-Sensitive Multiple Ligation-Dependent Probe Amplification
Turnaround Time 9 days
Preferred Specimen 10 mL Amniotic Fluid
Alternative Specimen 10 mg Chorinic Villi,Fluid-source required,Fluid Lavender (source required),Fluid Cup
Collection Instructions Minimum 5ml AMF / 5mg villi for direct testing (need to send back-up cultures: 2 T-25 flasks). If we send 10ml/10mg of direct sample, Quest will put half into culture themselves. If not enough AMF or CVS is received , cultured cells will be submitted in 2 T-25 flasks. MATERNAL WHOLE BLOOD SHOULD BE SUBMITTED WITH ALL SAMPLE TYPES.
Specimen Comment If cultured add an additional 7 days.
Storage Instruction Refrigerate
CPT Codes 81265 (1), 81337 (1)
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