Purpose
Exclusion Screen
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
80307
New York State Approval Status

Approved

Known Interference(s)
Fentanyl [LC-MS/MS]: 4-methylphenethyl acetyl fentanyl
Norfentanyl [LC-MS/MS]: Benzyl Fentanyl
Turnaround Time

4 days (If Positive: 7 days)

Test Includes
1 Fentanyl Duragesic®; Sublimaze® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.1 Anesthetic, Opioid Analgesic 4-methylphenethyl acetyl fentanyl
2 Norfentanyl Fentanyl Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.2 Anesthetic, Opioid Analgesic Benzyl Fentanyl

Reflex Tests
Test Code Test Name
5640SP Fentanyl and Metabolite Confirmation, Serum/Plasma
Specimen Type
Serum or Plasma
Requested Volume
3 mL
Minimum Volume
1.4 mL
Special Handling
Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 30 day(s)
Refrigerated: 1 month(s)
Frozen (-20 °C): 10 month(s)
1 Fentanyl Duragesic®; Sublimaze® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.1 Anesthetic, Opioid Analgesic 4-methylphenethyl acetyl fentanyl
2 Norfentanyl Fentanyl Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.2 Anesthetic, Opioid Analgesic Benzyl Fentanyl

Interface Map

LOINC® Information