Specimen Collection

Casual urine

Reference Intervals

REPORT: The screen is reported as either detected or not detected (qualitative result only).

Uncertainty of Measurement : 10% at the level of 300 ng/mL.

Turnaround Time: Within 1 day

The test is available at any time during worklng hours (Mon - Fri, 8am - 4.30pm). If required outside normal working hours, the request must be approved by a Chemical Pathologist. The request form must be clearly marked Urgent and the laboratory must be alerted by telephone (via Lablink) before the sample is sent.

Assay Method

Principle : Immunoassay

Diagnostic Use and Interpretation

Drug metabolite detected:
This screen detects the cocaine metabolite benzoylecognine

Also see Drug Screen (for Clinical Management) and Drug Screen (for Evidential Purposes).

Drug Screen - Clinical Management

Drug Screen - Evidential Purposes

Contact Information

Emails to chemicalpathologist@adhb.govt.nz will receive priority attention from the on-call chemical pathologist.

If the query concerns a specific patient please include the NHI number in your email.

If email is not a suitable option, please contact the on-call chemical pathologist via Lablink (Auckland City Hospital ext. 22000 or 09-3078995).

Individual chemical pathologists may be contacted but will not be available at all times.

After-hours : contact Lablink (Auckland City Hospital ext. 22000 or 09-3078995) or hospital operator for on duty staff after hours.

Dr Samarina Musaad (Clinical Lead) : SamarinaM@adhb.govt.nz ext. 22402

Dr Cam Kyle: CampbellK@adhb.govt.nz ext 22052

Dr Weldon Chiu: WeldonC@adhb.govt.nz ext. 23427

Dr Campbell Heron: CHeron@adhb.govt.nz ext. 23427

Dr Sakunthala Jayasinghe: Sakunthala@adhb.govt.nz ext. 23427

Last updated at 09:50:08 08/01/2025