Test Details
Mnemonic
LEFL
Ordering Code
3512620
CPT-4 Code(s)
80193
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge and separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Plasma: EDTA
Minimum Volume
0.2 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST), Plasma separator tube (PST)
Stability
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 2 years
Refrigerated: 30 days
Frozen: 2 years
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Reference Range
See report
Performing Laboratory
NMS Labs
New York DOH Approval Status
Yes