Intrinsic factor antibodies, serum-13349

Test info

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

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

Specimen

  

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
Submission of the minimum volume does not allow for repeat testing
  

Immediatley following collection, mix sample by gently inverting 5 times

  

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection

  

Gold serum separator (SST) tube

  
  
  1. Allow sample to clot
  2. Spin
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection
  
  

Refrigerated (preferred) - 14 days

Ambient - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x 3

  
  • Plasma specimen

Performance

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

Immunochemiluminometric assay (ICMA)

Clinical and Interpretive info

  

0.0 - 1.1 AU/mL

Billing

  
86340
  
Result 31443-5

Tracking

  
04/09/2019
  
11/15/2019
  
03/02/2021