Newcastle Laboratories

Faecal immunochemical test

Clinical Background:

NICE recommends the use of FiT in primary care to guide referral for suspected colorectal cancer in people without rectal bleeding, who have unexplained symptoms, but who do not meet the criteria f...

NICE recommends the use of FiT in primary care to guide referral for suspected colorectal cancer in people without rectal bleeding, who have unexplained symptoms, but who do not meet the criteria for a suspected cancer pathway referral (NICE DG30). 

The faecal immunochemical test uses antibodies specific to human haemoglobin for detection of occult blood in a stool sample. FIT is non-invasive and is more sensitive than traditional guaiac-based faecal occult blood tests (FOBT).

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Test Documents

Test Details

  • Discipline:

    Biochemistry

    Biochemistry

  • Specimen Container Adult:

    FiT collection device

    FiT collection device

  • Minimum Volume Adult:

    smear

    smear

  • Sample Stability:

    Store in a dry, cool, dark place (2-8oC)

    Avoid any exposure to heat and light

    Store in a dry, cool, dark place (2-8oC)

    Avoid any exposure to heat and light

  • Reference Ranges:

    Cut-off = 10 µg Hb/g faeces

    Cut-off = 10 µg Hb/g faeces

  • 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:

Availability:

Sample sent to an external laboratory for analysis.

Turn Around:

2 weeks

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