Test Code THSD7 Thrombospondin Type-1 Domain-Containing 7A Antibodies, Serum
Additional Codes
| Epic Ordering Code | LAB3041935 |
| NBS code | LBC11898 |
| Service code | 37127 |
Reporting Name
THSD7A Ab, SSpecimen Type
SerumSpecimen 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.
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)
Specimen 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 |
Method Name
Indirect Immunofluorescence Assay (IFA)
Day(s) Performed
Tuesday
Report Available
3 to 7 daysPlease note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.
Reference Values
Negative
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Distinguishing primary from secondary membranous nephropathy cases with antibodies against THSD7A
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 |
Secondary ID
607079Test 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.Last updated 14/07/2026