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 Diagnostics San Juan Capistrano
Epic ID
LAB09668
Lab Test Days
Daily
Standard TAT
5-7 Days
Collection Information
Specimen Required
2-4 mL Whole Blood
Container Type
EDTA (Lavender-Top) Tube
Processing Information - Lab Use Only
Transport Temperature
Room Temp-OK/Refrigerate-OK
Specimen Stability
Room Temp: 8 Days; Refrigerated: 14 Days; Frozen: Unacceptable
Rejection Criteria
Received frozen; Clotted
Test Volume Required
4 mL Whole Blood
Minimum Test Volume
2 mL Whole Blood
Comments
Insurance auth required prior to draw for Outpatients. Ok to send on Inpatients.
CPT Codes
81329
Revised
11/10/23
Initials
SA