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Lab Test Dictionary

SMA (Spinal Muscular Atrophy) Carrier Screen (39445)

Methodology

Allele Specific Real-Time Polymerase Chain Reaction, ddCt Method


Synonyms

SMA Silent Carrier, SMN2 Copy Number, SMN1 Copy Number, SMN Deletions, 2+0 Silent Carrier

Specimen Type

Blood

Performing Lab

Quest San Juan Capistrano


Epic ID

Other Genetic Test

Lab Test Days

Daily

Standard TAT

5-7 Days


Collection Information

Specimen Required

4 mL blood

Container Type

Lavender EDTA

Collection Instructions

4 mL blood


Processing Information - Lab Use Only

Transport Temperature

Room Temp

Specimen Stability

Room Temp=8 Days, Referigerated=14 Days

Rejection Criteria

Clotted, Frozen

Test Volume Required

4 mL blood

Minimum Test Volume

2 mL blood

Processing Instructions

Do not centrifuge


Comments

This test replaces obsolete Quest test 18041


CPT Codes

81329


Initials

CS - 3/15/23