Test Code #


CPT Code(s) #

88346 (x # of biopsies), 88350 (x # of immune stains)

Test Name

Direct Immunofluorescence (DIF)

If Profile, Includes Tests:


Disease Name:

Pemphigus, Paraneoplastic pemphigus, Pemphigoid, Mucous Membrane Pemphigoid (MMP), Epidermolysis Bullosa Acquisita (EBA), Dermatitis Herpetiformis (DH), Antiepiligrin Autoimmunity (AECP), Laminin 332 autoimmunity LABD, Bullous

Type of Study:

Biopsy Studies: Skin & Mucosa


Direct Immunofluorescence


Reference Range:

Detailed interpretation accompanies report



Report availability is within 48 hours from the time of specimen receipt

Specimen Requirements:

The yellow capped tubes provided with Beutner collection kits contain a holding solution for immunofluorescence specimens. A biopsy from a Lesional, Normal and/or Perilesional site should be placed in these collection tubes. If these tubes are unavailable, submit specimen in Zeus/Michel's fixative. Transport at room temperature.

Sample Stability:

Stable in appropriate solution at room temperature for 5 days

Clinical Relevance:

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