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HelpTest Code DSGAB Desmoglein 1 (DSG1) and Desmoglein 3 (DSG3), IgG Antibodies, Serum
Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Useful For
Preferred screening test for patients suspected to have an autoimmune blistering disorder of the skin or mucous membranes (pemphigus)
Aiding in the diagnosis of pemphigus
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
Desmoglein 1 and 3, SerumSpecimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 30 days | |
| Ambient | 14 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
DESMOGLEIN 1:
<20 RU/mL (negative)
≥20 RU/mL (positive)
DESMOGLEIN 3:
<20 RU/mL (negative)
≥20 RU/mL (positive)
Day(s) Performed
Varies
Report Available
1 to 10 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83516 x 2