Test Details
Mnemonic
PETHQ
Ordering Code
3600311
CPT-4 Code(s)
80321 (G0480)
Specimen Information
Collect
Lavender EDTA
Specimen Preparation
Send 1.0 mL whole blood
Alternate Specimen
Gray potassium oxalate, green lithium heparin
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST), Red top, light blue sodium citrate, yellow ACD or SPS
Stability
Room temperature: 2 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Quantitative Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes