95315:TPMT METABOLITES

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95315:TPMT METABOLITES
Alias Names: Thiopurine Metabolites
Methodology: High Performance Liquid Chromatography (HPLC)
Edit Date: 7/28/2010
Components: Quantitative HPLC for each nucleotide in peripheral RBC, separate stationary and mobile phase.
Performed: Monday-Friday
Released: 7 days after setup at PeaceHealth Laboratories’ reference lab
CPT Code: 82491-90 x2
Specimen Collection Details
Collection: Two 4 mL lavender top tubes (EDTA).
Handling: Keep on cold ice. Do not spin. Keep as whole blood.
Stability: 24 hours ambient or 8 days refrigerated. Unstable frozen.
Standard Volume: 5 mL whole blood
Transport: Refrigerated.
Comments: A wait of 14 days between draws is requested to give the drug time to metabolize in the body. Any draw sooner will be considered a duplicate order and be cancelled by the laboratory.
Rejection Criteria: Spun specimen; specimen kept ambient longer than 24 hours; frozen specimen.

PeaceHealth Laboratories