Test Details

• Discipline:

  Biochemistry

  Biochemistry

• Specimen Container Adult:

  White universal container, random urine

  White universal container, random urine

• Specimen Container Paediatric:

  White universal container, random urine

  White universal container, random urine

• Minimum Volume Adult:

  10 mL urine

  10 mL urine

• Minimum Volume Paediatric:

  10 mL urine

  10 mL urine

• Special Requirement:

  Special procedure for chain of custody samples

  Special procedure for chain of custody samples

• Sample Stability:

  Samples are stable at 4°C to be analysed within 5 days of collection.

  For prolonged storage, freezing of samples is recommended.

  Samples are stable at 4°C to be analysed within 5 days of collection.

  For prolonged storage, freezing of samples is recommended.

• Transport Requirements:

  Ambient temperature.

  Ambient temperature.

• Interpretation:

  A positive result indicates that the patient may have recently used one or more of the drugs detected by this technique.

  A positive result indicates that the patient may have recently used one or more of the drugs detected by this technique.

• Reference Ranges:

  All drug tests should be Negative

  All drug tests should be Negative

• Factors Affecting Result:

  Use of immunoassay technology exhibits a small (approximately 2%) false-positive rate due to interaction of the reagents with naturally occurring substances and over-the-counter drugs. Positive amp...

  Use of immunoassay technology exhibits a small (approximately 2%) false-positive rate due to interaction of the reagents with naturally occurring substances and over-the-counter drugs. Positive amphetamines and opiates are therefore confirmed by an alternative technique by Wansbeck Toxicology Laboratory.

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• Routine Contact Name:

  Duty Biochemist

• Routine Telephone:

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

• Routine Email:

  nuth.dutybiochemist@nhs.net

• Specialist Test:

  Yes

  Yes