IMMUNOGLOBULIN A, SERUM

Test Code

IGA

Alias/See Also

Quantitative Immunoglobulins

CPT Codes
82784

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.2 mL

Other Acceptable Specimens

or 1 Lavender tube (EDTA)
or 1 Green tube (Lithium Heparin)

Instructions

Centrifuge for complete separation of plasma or serum and red cells. Separate and refrigerate until tested.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 3 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolyzed or lipemic samples

Methodology

Immunoturbidimetric

Setup Schedule

M, T, W, Th, F, Sa, Sun

Repeat testing performed M-F day shift only

Report Available

Same day tested.
Elevated results for IgA will need to be repeated on a different analyzer.
Repeat testing performed M-F day shift only.

Reference Range

50 - 400 mg/dL

Clinical Significance

Aids in the diagnosis of abnormal protein metabolism and the bodys lack of ability to resist infectious agents; Evaluates humoral immunity.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab

Last Updated: June 6, 2023

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.