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HelpTest ID DSGAB Desmoglein 1 (DSG1) and Desmoglein 3 (DSG3), IgG Antibodies, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL Serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Secondary ID
606818Useful For
Preferred screening test for patients suspected of having an autoimmune blistering disorder of the skin or mucous membranes (pemphigus)
Aiding in the diagnosis of pemphigus
Specimen Type
SerumSpecimen 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