ARUP's Laboratory Test Directory

Opiates, Screen with Reflex to Confirmation, Urine : 2005093

Mnemonic: OPI RFX UR

Methodology: Qualitative Enzyme Immunoassay/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

Screen cutoff concentration: 300 ng/mL
Interpretive Data: Refer to report.
Note: This test detects morphine, hydrocodone, and similar compounds. The confirmation test detects and quantifies morphine, codeine, hydrocodone, hydromorphone, 6-monoacetylmorphine, oxycodone and oxymorphone.

If analyte concentration is greater than or equal to the screen cutoff value, then Opiates - Confirmation/Quantitation - Urine will be added. Additional charges apply.

For detection of oxycodone and/or oxymorphone see Oxycodone/Oxymorphone Screen with Reflex to Confirmation, Urine (ARUP test code 2005100).
CPT Code(s): 80101; if reflexed add 83925
Cross References: Pain Management, Opiates, Quantitative, w/ medMATCH, Urine (Opiates, Screen with Reflex to Confirmation, Urine)