Patient Preparation
Abstain from all medication 72 hours prior to collection.
Specimen Preparation
Mix well and send a 4.0 mL urine aliquot in a screw capped plastic urine container.
Transport Temperature
Refrigerated
Rejection Criteria
Specimens other than urine
Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 14 days