ARUP's Laboratory Test Directory

Opiates, Confirmation Only, Urine : 2005091

Mnemonic: OPI CONF U

Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed: Sun-Sat
Reported: 1-4 days
Specimen Required: Collect: Random urine.

Specimen Preparation: Transfer 4 mL urine with no additives or preservatives to an ARUP Standard Transport Tube. (Min: 2 mL)

Storage/Transport Temperature: Room temperature.

Unacceptable Conditions: Specimens exposed to repeated freeze/thaw cycles.

Stability (collection to initiation of testing): Ambient: 1 week; Refrigerated: 1 month; Frozen: 3 years

Reference Interval:
Effective May 16, 2011

Cutoff concentration: 5 ng/mL
Interpretive Data: Confirmation results are obtained by LC-MS/MS.

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, diluted/adulterated urine, 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.

For medical purposes only; not valid for forensic use.
Note: This test detects hydrocodone, free hydromorphone, free codeine, free morphine, and 6-acetylmorphine.
 
For detection of free oxycodone and free oxymorphone, see Oxycodone/Oxymorphone, Confirmation Only, Urine (ARUP test code 2005097).
CPT Code(s): 83925
Cross References: Hydrocodone, Lortab, and Vicodin (Opiates, Confirmation Only, Urine), Opana® (Oxymorphone), Confirmation/Quantitation (Opiates, Confirmation Only, Urine) , Pain Management, Opiates, w/ Confirmation w/ medMATCH, Urine (Opiates, Confirmation Only, Urine)
 
 

 

 

 
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