New Test
Effective Date
07/28/2026
Included in Report
Updated Test
New Test
Test Details
Mnemonic
PETHC
Ordering Code
3000971
CPT-4 Codes(s)
80321 (G0480)
Turnaround Time
4 - 6 days
Performed
Tuesday, Thursday
Legacy Code
PETHC
Example Report
Specimen Information
Collect
Lavender EDTA
Specimen Preparation
Send 1.0 mL whole blood in the original tube. Do not aliquot. Do not centrifuge. Do not use alcohol to clean arm. Use alternatives such as Betadine to cleanse arm before collecting any specimen.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Gross lipemia, Gross icterus, Serum separator tube (SST), Red top, not in original collection tube
Stability
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 28 days
Refrigerated: 14 days
Frozen: 28 days
Methodology
Liquid Chromatography - Tandem Mass Spectrometry
Reference Range
Negative (<10 ng/mL)
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No