Newcastle Laboratories

Laxative screen

Clinical Background:

Unexplained non-osmotic diarrhoea

Unexplained non-osmotic diarrhoea

Test Details

  • Discipline:

    Biochemistry

    Biochemistry

  • Specimen Container Adult:

    Random urine - collect three samples on three separate days while patient has diarrhoea - send all three samples together clearly marked with collection time/date

    Random urine - collect three samples on three separate days while patient has diarrhoea - send all three samples together clearly marked with collection time/date

  • Minimum Volume Adult:

    20 mL 

    20 mL 

  • Sample Stability:

    Store at 4°C

    Store at 4°C

  • Transport Requirements:

    First class post

    First class post

  • Other Info:

    Includes: Phenolphthalein, Rhein, Danthron, Bisacodyl

    Includes: Phenolphthalein, Rhein, Danthron, Bisacodyl

  • 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:

Sample sent to an external laboratory for testing.

Turn Around:

3 weeks

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