Test Code LAB13016 T3, Reverse, LC/MS/MS
Department
SEND OUTS
Reference Lab Test Number
RT3
Collection Requirements
Draw blood in a Red-top. Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw-capped plastic vial.
Refer To
Primary Collection Container
Red (No Gel)
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge, separate serum from cells within 2 hours of collection, and send 1.0 mL serum in a screw-capped plastic vial.
Stability
Ambient: Unaccepatable
Refrigerated: 7 days
Frozen: 3 months
Minimum Testing Volume
0.5 mL
Reference Range
≥18 years: 9.0-27.0 ng/dL
Methodology
Liquid Chromatography/Tandem Mass Spectrometry
Performed
Monday, Wednesday, and Thursday
Reported
3-6 days
CPT Codes
84482
Unacceptable Conditions
SST, grossly lipemic or hemolyzed samples, plasma