Home
HelpTest Code LAB1234672 Thrombospondin Type-1 Domain-Containing 7A Antibodies, Serum
Specimen Required
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container: Plastic vial
Specimen Volume: 1 mL
Collection Information: Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
Useful For
Distinguishing primary from secondary membranous nephropathy cases with antibodies against THSD7A
Reporting Name
THSD7A Ab, SSpecimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 14 days | |
| Ambient | 8 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
Reference Values
Negative
Method Description
Diluted patient samples are incubated with combinations of substrates. If the reaction is positive, specific antibodies of classes IgA, IgG, and IgM attach to the antigens. In a second step, the attached antibodies are stained with fluorescein-labelled antihuman antibodies and made visible with a fluorescence microscope.(Package insert: Anti-THSD7A IIFT EUROPattern, EUROIMMUN US;V 06/11/2019)
Day(s) Performed
Tuesday
Report Available
3 to 7 daysSpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86255
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| THSD7 | THSD7A Ab, S | 93339-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| THSD7 | THSD7A Ab, S | 93339-0 |
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Kidney Transplant Test Request
-Renal Diagnostics Test Request (T830)