Analytic Time

1 - 11 days

MiChart Code
Desmoglein 1 (DSG1) and 3 (DSG3), Serum (Sendout)
Soft Order Code

Test Updated:


Pemphigus vulgaris
Pemphigus foliaceus

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Test Overview

Test Methodology

Enzyme-Linked Immunosorbent Assay (ELISA)

Test Usage

Screening test for patients suspected to have an autoimmune blistering disorder of the skin or mucous membranes (pemphigus), as an aid in the diagnosis of pemphigus, and monitoring treatment response in patients with a confirmed diagnosis of pemphigus.

Reference Range

DESMOGLEIN 1: <20 RU (negative), >20.0 RU (positive)
DESMOGLEIN 3: <20 RU (negative), >20.0 RU (positive)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Yellow Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
83516 x2
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.