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

Test Code

16690

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.

Performing Laboratory
Institute for Immunofluorescence (Ameripath)
895 SW 30th Ave. Ste. 101
Pompano Beach, FL 33069

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.