|
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Intrinsic Factor Blocking Antibocy 568
Test CodeIFBA
Alias/See Also
IFBA
CPT Codes
86340
Preferred Specimen
1 mL serum
Minimum Volume
1
Instructions
Patient should be off Vitamin B12 for one week. Draw SST and send ref
Transport Container
SST
Transport Temperature
R
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tues-Sat; Report available: 1-2 days
Reference Range
Negative
Clinical Significance
Intrinsic Factor, produced by cells lining the stomach, binds Vitamin B12 (cyanocobalamin) to facilitate absorption of the vitamin. Blocking antibody impedes the action of Intrinsic Factor as observed in approximately half of the patients who develop pernicious anemia.
Performing Laboratory
Quest Diagnostics Nichols Institute |
14225 Newbrook Drive |
Chantilly, VA 20153 |