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OXYCODONE CONFIRMATORY/ DEFINITIVE, URINE, BY LC-MS/MS
MessageDefinitive compliance checks in patients prescribed oxycodone and/ or oxymorphone. Confirming presumptive positive screening tests for oxycodone [Urine quantitative values do NOT correlate well with serum concentrations and should not be used for assessing dose efficacy or
timing.]
timing.]
Test Code
LAB1230612
CPT Codes
80307
Includes
Test includes quantitative/definitive detection of oxycodone and oxymorphone, and their primary metabolites, with signature detection
given in an interpretive field. Quantitative results are only provided for positive results; negative results will have an interpretation of
“Negative” and a component result of “Not detected”. [Urine quantitative values do NOT correlate well with serum concentrations
and should not be used for assessing dose efficacy or timing.]
Adulteration testing is provided at no-charge and includes urine creatinine
given in an interpretive field. Quantitative results are only provided for positive results; negative results will have an interpretation of
“Negative” and a component result of “Not detected”. [Urine quantitative values do NOT correlate well with serum concentrations
and should not be used for assessing dose efficacy or timing.]
Adulteration testing is provided at no-charge and includes urine creatinine
Preferred Specimen
Urine, random specimen clean plastic collection cup
Minimum Volume
5m
Required for Testing: 3mL
Required for Testing: 3mL
Instructions
Specimens collected in clean plastic collection cups are acceptable. Store refrigerated for best stability.
Transfer mixed urine specimen to a labeled red top tube and deliver to Chemistry department for track-based processing, adulteration testing,
and aliquoting for use in the mass spectrometry section.
Transfer mixed urine specimen to a labeled red top tube and deliver to Chemistry department for track-based processing, adulteration testing,
and aliquoting for use in the mass spectrometry section.
Transport Temperature
Refrigerated
Specimen Stability
Ambient: 24 hours Refrigerated; 10 days
Methodology
LC-MS/MS
Setup Schedule
Monday - Friday dayshift
Reference Range
Negative
Clinical Significance
Cutoffs:
Noroxycodone, 25 ng/mL
Oxycodone Quant, 25 ng/mL
Oxymorphone Quant, 25 ng/mL
Noroxycodone, 25 ng/mL
Oxycodone Quant, 25 ng/mL
Oxymorphone Quant, 25 ng/mL
Performing Laboratory
West Virginia University Hopsitals, Inc.
Additional Information
Test Change Notification
