Opiates, Urine

Preferred Specimen(s) 10 mL Urine

Instruction Collect urine sample without preservative

Transport Container Plastic, leakproof container

Transport Temperature

Ambient 7 days,
Refrigerated 14 days

Reject Criteria Sample coating preservative

Methodology Enzyme Immunoassay

Clinical Significance The presence of drug may be indicative of therapeutic use or of substance abuse, depending on the drug. The time period for which drug can be detected is variable and dependent on a large variety of factors. Some of these factors include: (1) Amount of drug ingested; (2) individual metabolism; (3) dilution of the urine.