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IgG, IgA, Indirect Immunofluorescence, Serum [16690X]

Message
Testing performed at Quest Diagnostics.


Test Code
IGG,IGA IND IFA(O)


CPT Codes
88346, 88350

Preferred Specimen
5 mL serum


Minimum Volume
3 mL


Transport Container
Plastic screw-cap vial


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable


Methodology
Immunoassay (IA)

Setup Schedule
Set up: Mon-Fri; Report available: 4-6 days


Reference Range
See Laboratory Report


Clinical Significance
These studies are complementary diagnostic and prognostic tools for autoimmune blistering diseases, connective tissue disorders, and vasculitides. It is a semiquantitative technique whereby a double immunolabeling is performed to evaluate the presence and titer of circulating anti-epithelial cell surface, anti-basement membrane, anti-nuclear, and antineutrophil cytoplasmic antibodies.



Last Updated: September 20, 2014


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.