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HelpTest Code AIF Anti-Intrinsic Factor Antibody
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0mL / 6.0mL blood
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum |
|---|---|
| Ambient: | 8 hours |
| Refrigerate: | 2 weeks |
| Frozen: | 1 month |
Reference Interval
No antibody detected: <20 U/mL
Positive: ≥ 20 U/mL
Days and Times Performed
Monday, TAT 2-8 days
Methodology
Enzyme Immunoassay
Service Code
0031618
Update
last updated 26/02/2022
Unacceptable Condition
| Haemolysis: | NA |
|---|---|
| Icterus: | NA |
| Lipaemic: | NA |
| Others: | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Autoantibodies against Intrinsic Factor are specific for pernicious anaemia (PA) but are not found in the serum of every patient with PA.
Alias
AIF, Anti Intrinsic Factor Ab