Home
HelpTest ID COL7 Anti-Collagen type VII, IgG Antibodies, Serum
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reporting Name
Anti-Collagen type VII, SerumSpecimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 30 days | |
| Ambient | 14 days |
Report Available
1 to 7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| COL7 | Anti-Collagen type VII, Serum | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 616879 | COL7, S | 94096-5 |
Useful For
Initial screening test in the diagnosis of epidermolysis bullosa acquisita and other immunobullous diseases mediated by collagen VII
Testing Algorithm
For information see Autoimmune Blistering Disease Diagnostic Algorithm.
Day(s) Performed
Varies
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83516
Specimen Minimum Volume
0.5 mL
Reference Values
Collagen type VII
<20 RU/mL (negative)
≥20 RU/mL (positive)