Intrinsic factor antibodies
Antibodies against intrinsic factor are present in 50-60 % of patients with pernicious anaemia. Their presence may pre-date the development of B12 deficiency. It is recommended to also check vitamin B12 levels.
Differential diagnosis of pernicious anaemia (autoimmune causes are not refractory to dietary B12 supplementation).
|Sample & container required||RST (rust top)|
|Sample volume||5-10 mL (1 mL serum)|
|Turnaround time||14 days|
Due to a change in platform, the laboratory is not currently accredited for this test.