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Identifies: IgA localization by direct immunofluorescence is useful in the subclassification of bullous and other skin disorders, particularly when employed as part of a panel of FITC-conjugated antibodies, including those to IgG, IgM and C3. IgA deposits in the skin are particularly important in the identification of dermatitis herpetiformis and Henoch Schoenlein purpura. Subcellular Localization: Extracellular
Organ: Skin & Mucosa
CPT Code(s): 88346 or 88350. The CPT codes provided 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 payer being billed.
Turnaround Time: Within 1-2 business days of receipt
Schedule: Monday - Friday
Skin biopsy in Michel's (aka Zeuss) fixative, with or without patient serum