Test Details
Mnemonic
PETCB
Ordering Code
3800363
CPT-4 Code(s)
80321 (G0480)
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 or ChloraPrep to cleanse arm before collecting any specimen.
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Rejection Criteria
Gross lipemia, Gross icterus, Serum separator tube (SST), Red top, light blue sodium citrate,
yellow ACD or SPS
yellow ACD or SPS
Stability
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 28 days
Refrigerated: 14 days
Frozen: 28 days
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reference Range
Negative (<10 ng/mL)
Performing Laboratory
MAYO
New York DOH Approval Status
Yes