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 |