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Immunoglobulin A (IgA) CSF

Test Code
4447X


Alias/See Also
IgA CSF


Preferred Specimen
1.0 mL CSF (0.5 mL minimum)


Transport Container
Sterile, plastic, leakproof container


Specimen Stability
 Room temperature: 72 hours
Refrigerated: 7 days
Frozen: Indefinitely (-70C)


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
 Grossly hemolyzed, lipemic, body fluids and Sodium Citrate specimens will be rejected.


Methodology
Immunoturbidmetric

Report Available
Next day


Reference Range
Accompanies report


Clinical Significance
 Approximately 1 in 1000 people have IgA deficiency. Individuals with low concentrations of IgA may be asymptomatic or have sinopulmonary, gastrointestinal (including sprue-like illness), rheumatic, or autoimmune diseases.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.