Test Details
Mnemonic
LORCE
Ordering Code
1757390
CPT-4 Code(s)
80361 (G0480); 80143
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Plasma: Lavender EDTA, green sodium or lithium heparin
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST), grossly lipemic, hemolyzed, and icteric specimens.
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography
High Performance Liquid Chromatography/Tandem Mass Spectrometry
High Performance Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
Hydrocodone, Serum: <5 ng/mL. For medical use only
Acetaminophen Therapeutic Range: 10 - 25 ug/mL
Acetaminophen toxic level 4 hours after ingestion: >200 ug/mL
Acetaminophen toxic level 12 hours after ingestion: >50 ug/mL
Acetaminophen Therapeutic Range: 10 - 25 ug/mL
Acetaminophen toxic level 4 hours after ingestion: >200 ug/mL
Acetaminophen toxic level 12 hours after ingestion: >50 ug/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No