Newcastle Laboratories

Cotinine, urine

Clinical Background:

Detection of cotinine in the urine indicates smoking or exposure to smoking.

Detection of cotinine in the urine indicates smoking or exposure to smoking.

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:

    1 mL urine

    1 mL urine

  • Minimum Volume Paediatric:

    1 mL urine

    1 mL urine

  • Sample Stability:

    Samples are stable at 4°C for 2 - 5 days. Samples can be stored at -15°C for up to 12 months.

    Samples are stable at 4°C for 2 - 5 days. Samples can be stored at -15°C for up to 12 months.

  • Transport Requirements:

    Ambient temperature.

    Ambient temperature.

  • Interpretation:

    Knowledge of time elapsed between last dose and specimen collection is important for interpretation of test results.

    Knowledge of time elapsed between last dose and specimen collection is important for interpretation of test results.

  • Reference Ranges:

    Adult
    <50µg/L : Consistent with no active smoking
    50 - 500µg/L : Consistent with light smoking or moderate passive smoking
    >500µg/L : Consistent with active smoking

    Adult
    <50µg/L : Consistent with no active smoking
    50 - 500µg/L : Consistent with light smoking or moderate passive smoking
    >500µg/L : Consistent with active smoking

  • 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:

  • Specialist Test:

    Yes

    Yes

Availability:

Samples sent to an external laboratory for analysis.

Turn Around:

2 weeks

Send To:

Department of Blood Sciences

Freeman Hospital
Freeman Road
Newcastle upon Tyne
NE7 7DN

View all tests