Sign in →

Test Code DCF Drug Confirmation Forensic

Useful For

Outside client testing only.
For clients who need only a single analyte confirmed. Forensic drug testing that requires chain of custody form. Used for pre-employment, reasonable suspicion and post accident.

Patient Preparation

No special patient preparation required

Special Collection Instructions

Donor should be collected following forensic drug testing protocol.

Collection Method

Random urine

Minimum Volume

30 mL

Container

Sterile Cup

Preferred Specimen

30 mL freshly voided urine

Acceptable Specimens

30 mL freshly voided urine

Reference or Target Ranges


<!--Forensic cutoffs-->
Drug Screening Cutoff Confirmation Cutoff
Amphetamines 500 ng/mL 250 ng/mL
Barbiturates 300 ng/mL 200 ng/mL
Benzodiazepines 300 ng/mL 100 ng/mL
Cannabinoids (THC) 50 ng/mL 15 ng/mL
Carisoprodol 100 ng/mL 100 ng/mL
Cocaine 150 ng/mL 100 ng/mL
Ethanol 20 mg/dL 20 mg/dL
Ketamine 100 ng/mL 100 ng/mL
Meperidine 200 ng/mL 200 ng/mL
Methadone 300 ng/mL 200 ng/mL
Methaqualone 300 ng/mL 300 ng/mL
Opiates 300 ng/mL 300 ng/mL
Oxycodone 100 ng/mL 300 ng/mL
Phencyclidine (PCP) 25 ng/mL 25 ng/mL
Propoxyphene 300 ng/mL 200 ng/mL
Tramadol 200 ng/mL 200 ng/mL

Reportable Units

See table

Critical Value

Not defined for this assay

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
N/A
Icterus Threshold
N/A
Lipemia Threshold
N/A
Other
QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability



<!-- Stability -->
Ambient
48 hours
Refrigerated (4°C to 8°C)
31 days
Frozen(-40°C to 0°C)
365 days

Performance Information



<!-- Performance information -->
Days and Time Performed
Monday – Friday 730 AM – 430 PM
Expected Turn Around Time
Negative Screen: 24 hours
Positive Screen: 72 hours
Stat Availability
No
Performing Bench
Toxicology
Methodology/Method Description
Screen: Olympus AU680 – EIA
Confirmation: GCMS – Solid phase extraction/Gas chromatography mass spectrometry

Additional Information/Important Notes

Any test screening positive will be confirmed by GCMS analysis.