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Test Code LAB4950 Drug Screen, Prenatal, Urine

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic
PRENATAL U DRUG LAB4950 OBDRS

 

Useful For/Utility

Detecting drug abuse involving alcohol, amphetamines, barbiturates, benzodiazepines, buprenorphine, cocaine, methadone, opiates, oxycodone, phencyclidine (PCP), and tetrahydrocannabinol (THC).

Methodology

Alcohol Dehydrogenase: Alcohol

Enzyme Immunoassay: All others

Includes alcohol, amphetamines, barbituates, benzodiazepine, cocaine, methadone, opiates, oxycodone, phencyclidine (PCP), and tetrahydrocannabinol (THC).

Note: This test should only be ordered on pregnant women or infants exhibiting clinical findings that are a medical indication of controlled substance use.

Clinical Information

A positive result for any of these test components will result in confirmatory testing at a reference laboratory.

Specimen Requirements

Specimen Type: Urine, random

Container/Tube: Plastic urine container

Specimen Volume: 30 mL

Specimen Minimum Volume: 2.1 mL

Collection Instructions:

1. Collect a fresh, random urine specimen.

2. No preservative. Specimen with boric acid is not acceptable.

Additional Information:

1. If there is a delay in transport of >24 hours, send specimen frozen.

2. A positive result for any of these test components will result in confirmatory testing at a reference laboratory.

3. Adulteration of specimen may cause erroneous results. If adulteration is suspected, obtain a fresh specimen.

4. If specimen displays turbidity, centrifuge before analysis.

Specimen Transport Temperature

Refrigerate 5 days/Frozen OK/Ambient NO

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Chemistry-

St. Joseph's Medical Center Lab

Deer River Hospital Lab, SMDC Clinical Lab, Virginia Hospital Lab

Fargo Hospital Lab, Fosston Hospital Lab, St. Mary's - Detroit Lakes Hospital Lab

Test Classification and CPT Coding

80307

 

Reference Values

Negative

Additional Information

Method specific Positive Cut-Off Concentrations reported with each result:

 

Alcohol

Abbott Architect

 

50 mg/dL

Medtox Reader

 

N/A

Amphetamine

1,000 ng/mL

500 ng/mL

Barbiturate

200 ng/mL

200 ng/mL

Benzodiazepine

200 ng/mL

150 ng/mL

Buprenorphine

5 ng/mL

10 ng/mL

Cocaine

300 ng/mL

150 ng/mL

Methadone

300 ng/mL

200 ng/mL

Opiates

300 ng/mL

100 ng/mL

Oxycodone

300 ng/mL

100 ng/mL

Phencyclidine (PCP)

25 ng/mL

25 ng/mL

Tetrahydrocannabinol (THC)

50 ng/mL

50 ng/mL