Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Monitor patient adherence.
MnemonicUnique test identifier.
CDCO FNSP
MethodologyProcess(es) used to perform the test.
Quantitative Liquid Chromatography/Tandem Mass Spectrometry
PerformedDays of the week the test is performed.
Tue, Thu, Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
1-4 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Plain Red, Lavender (K2EDTA), Lavender (K3EDTA), Green (Sodium Heparin), Gray (Potassium Oxalate/Sodium Fluoride), or Pink (K2EDTA).
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transfer 4 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 2 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Whole blood. Serum separator tubes, Light Blue (Sodium Citrate), or Plasma separator tubes. Specimens exposed to repeated freeze/thaw cycles.
Remarks
Stability
Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 3 years
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Effective August 17, 2015
Drugs Covered
Cutoff Concentrations
Fentanyl
0.1 ng/mL
Norfentanyl
0.1 ng/mL
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Positive cutoff: 0.1 ng/mL
For medical purposes only; not valid for forensic use.
The absence of expected drug(s) and/or drug metabolite(s) may indicate non-compliance, inappropriate timing of specimen collection relative to drug administration, poor drug absorption, or limitations of testing. The concentration value must be greater than or equal to the cutoff to be reported as positive. Interpretive questions should be directed to the laboratory.
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
AliasesOther names that describe the test. Synonyms.
Actiq
Duragesic
Durogesic
Fentanyl and Metabolite
fentanyl and norfentanyl blood levels
Fentore
Innovar
Instanyl
Ionsys
norfentanyl
Onsolis
pain management
Sublimaze
Fentanyl and Metabolite, Serum or Plasma, Quantitative
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