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HelpBCH Order 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
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 | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 30 days | ||
| Ambient | 14 days |
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
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83516 x 2
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| DSGAB | Desmoglein 1 and 3, Serum | 94335-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 606818 | DSG 1 | 94336-5 |
| 606819 | DSG 3 | 94337-3 |