THC (Cannabinoids), Urine Screen with Reflex to Quantitation

2012270
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Example Reports
Negative
Positive

Ordering Recommendation

Useful for general screening in contexts of compliance and/or abuse. A screen with reflex testing is the preferred method for ruling out cannabinoid exposure. For follow-up testing of a presumptive result, THC Metabolite, Urine, Quantitative (0090369) is preferred.

Mnemonic

THC RFX U

Methodology

Qualitative Enzyme Immunoassay/Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Sun-Sat

Reported

1-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
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

Breast milk.

Remarks
Stability

Ambient: 1week; Refrigerated: 1 month; Frozen: 1 month

Reference Interval

Screen cutoff concentration: 20 ng/mL

Interpretive Data

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 at which the screening test can detect a drug or metabolite varies. Specimens for which drugs or drug classes are detected by the screen are reflexed to a second, more specific technology (GC/MS and/or LC-MS/MS). 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.

Compliance Category

FDA

Note

If the specimen screens positive, then Confirmation/Quantitation by LC-MS/MS (ARUP test code 0090369) will be added to confirm result. Additional charges apply.

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/17/2021
X
N/A

CPT Codes

80307; if reflexed, add 80349 (Reflexed Alt Code: G0480 )

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Components

Component Test Code* Component Chart Name LOINC
0092195 THC, Urn, Screen 19292-2
2012212 Screen, Urine Interpretation 54247-2
* 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.

Aliases

  • 9-carboxy-THC
  • Cannabinoids
  • Cannabis
  • Dronabinol
  • Marijuana
  • Marinol
  • Pain Management
  • Pain Management, Marijuana Metabolite, Quantitative, with medMATCH, Urine
  • Pain Management, Marijuana Metabolite, with Confirmation with medMATCH, Urine
  • THC
THC (Cannabinoids), Urine Screen with Reflex to Quantitation