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Intrinsic Factor Antibody

Laboratory:
Referred Test
Test Code:
IFAB
Specimen types:
Serum
Container types:
Serum tube with gelSerum tube with gel
Collection Instructions:
Transport specimen at Room Temperature to lab
Sample haemolysis may make this test unreportable
Minimum Adult Volume:
2 mL
Paediatric Minimum Volume:
1 mL
Notes:

For diagnosis of autoimmune Vitamin B12 malabsorption (pernicious anaemia)

Result may be artefactually positive if patient tested within a week of Vitamin B12 replacement therapy

A negative result does not exclude the diagnosis

Obtain before treatment with Vitamin B12 is commenced

Frequency:
Weekly
Result Turnaround Time:
7-10 days
Reference Interval:

Negative <=20 Units

Indeterminate 21-24 Units

Positive >=25 Units

Laboratory Use Only
External Laboratory:
St Vincents Hospital
 External Laboratory details...