Home
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
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 |
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
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 |