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Lab Manual for Moffitt-Long and Mount Zion

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Intrinsic Factor Blocking Antibody

Item Value
Approval req'd? No
Available Stat? No
Test code IFBA
Performed by Quest
Sendout? Yes
Method Immunoassay
Patient Preparation Do NOT collect samples within 48 hours following an injection of Vitamin B12, which can give a false positive result.
Collection Instructions Do NOT collect samples within 48 hours following an injection of Vitamin B12, which can give a false positive result.
Container type Red top or Gold top
Amount to Collect 2 mL blood
Sample type Serum
Preferred volume 1 mL serum
Min. Volume 0.2 mL serum
Processing notes Refrigerate serum (or plasma). Order Quest # 568
Normal range Negative
Stability Room temperature or refrigerated 1 week, frozen at -20C 28 days.
Turn around times Test performed Tuesday, Thursday, Saturday. Turnaround time: 2-6 days.
CPT coding 86340-90
LOINC code 31443-5
Last Updated 5/12/2011 2:00:16 PM
Entry Number 572

If you have additional questions regarding this test, please call: 415-353-1667

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