Anti-IgA

Alphabetical Test listing

Anti-IgA-994

Test name:

Anti-IgA

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Anti-Immunoglobulin A

Useful for:

For the evaluation of patients with recurrent infection for the possibility of IgA deficiency (IgAD).

Patients with IgA deficiency may develop antibodies against IgA that make them susceptible to adverse (anaphylactic) reactions to blood products including intravenous immunoglobulin (IVIg).

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

1.0 mL

Minimum volume:

0.1 mL

Collection instructions:

Immediatley following collection, mix sample by gently inverting 5 times

Processing instructions:

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

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube - 5 mL

Alternate processing instructions:

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

Alternate transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 1 week

Refrigerated - 1 week

Frozen - >2 weeks

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performing lab:

Viracor Eurofins (2107) via LabCorp (009985): R-NX

TAT:

10 days

Method:

Enzyme Linked Immunosorbent Assay (ELISA)

Reference ranges:

<99 U/mL (Normal, healthy individuals who do not have anti-IgA antibodies).

The reportable range is 16-1000 U/mL.

CPT codes:

83520

Date created:

10/12/2021

Review date:

01/03/2024