-1651085832.png){kind=logo}
Home
HelpTest Code COL7 Anti-Collagen type VII, IgG Antibodies, Serum
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.
Useful For
Initial screening test in the diagnosis of epidermolysis bullosa acquisita and other immunobullous diseases mediated by collagen VII
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
Anti-Collagen type VII, 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
Collagen type VII
<20 RU/mL (negative)
≥20 RU/mL (positive)
Interpretation
Antibodies to IgG collagen type VII have been shown to be present in patients with epidermolysis bullosa acquisita and certain other rare immunobullous diseases, including bullous lupus erythematosus
Day(s) Performed
Varies
Report Available
1 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83516
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 |