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Jan 30, 2018

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UWHC,UWMF,

Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Toxicology

Drug Screen, Urine

Drug Screen, Urine (HCUPNL) Toxicology Lab Test

Name: Drug Screen, Urine

Test Name: Drug Screen, Urine

Health Link Test Code: HCUPNL

LIS Test Code: UPNL

CPT Code(s): 80307

Test Component:

Amphetamines/Methamphetamines, Barbiturates, Benzodiazepine, Cocaine, and Opiates (primarily targets morphine, codeine, and heroin)

Methodology: Enzyme Immunoassay

Clinical Information:

If a more comprehensive result is required, the Urine Comprehensive Drug Screen should be ordered.

Days Performed: Daily, 24 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Random urine

Collection Container: Sterile screw cap container

Collection Instructions:

If confirmation by is requested on a specimen with a "screen positive" result, 10 mL of urine is needed for the confirmatory analysis.

Collection Volume: 25 mL

Pediatric Collection Volume: 10 mL

Stability Refridgerated:

5 days

Stability Frozen:

>5 days

Sample Analyzed: Urine aliquot

Testing Volume: 2 mL

Pediatric Testing Volume: 0.5 mL

Specimen Processing:

Refrigerate specimen.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Interpretation:

Qualitative screening test. Results will be reported as "not detected" or " screen positive".

Interpretation Type: Expected Results

Test Limitations:

These are screening tests. Results are to be used for medical purposes only.

Additional Information:

If screening test is reported as "screen positive", confirmation and identification can be made (at additional charge). See individual listings for more information on confirmatory testing. The following is a list of cut-off values that are used to determine if the test is "screen positive":

Amphetamines/ Methamphetamines 500 ng/mL
Barbiturates 200 ng/mL
Benzodiazepine 200 ng/mL
Cocaine (Metabolites) 300 ng/mL
Opiates 300 ng/mL