Test Details
Mnemonic
ETHSX
Ordering Code
1750280
CPT-4 Code(s)
80168
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Plasma: Lavender EDTA, green sodium or lithium heparin
Minimum Volume
0.2 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST)
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography
Reference Range
40 – 100 µg/mL
Toxic: >200 µg/mL
Toxic: >200 µg/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No