Intrinsic factor antibodies, serum

Alphabetical Test listing

Intrinsic factor antibodies, serum-13349

  
Intrinsic factor antibodies, serum
  
13349
  
LAB13349
  
IFA
  
Intrinsic factor Abs, serum
  

Confirming the diagnosis of pernicious anemia (PA) caused by intrinsic factor deficiency

  

No specimen should be collected from a patient currently undergoing B12 therapy less than one week after the last B12 injection.

  
Serum
  
  
2.0 mL
  
1.0 mL
Submitting the minimum volume does not allow for repeat testing
  

Spin

  

Gold serum separator (SST) tube

  
  

Spin and separate

  
  

Refrigerated (preferred) - 14 days

Ambient - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x 3

  
  • Plasma specimen
  
LabCorp Burlington (010413): R-LC
  
Mo - Fr
  
2 - 4 days
  

Immunochemiluminometric assay (ICMA)

  

0.0 - 1.1 AU/mL

  
86340
  
Result 31443-5
  
04/09/2019
  
11/15/2019
  
03/02/2021