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HelpTest ID THSIF Thrombospondin Type 1 Domain Containing 7A (THSD7A), Immunofluorescence
Ordering Guidance
If additional interpretation/analysis is needed, request PATHC / Pathology Consultation along with this test and send the corresponding renal pathology light microscopy and immunofluorescence (IF) slides (or IF images on a CD), electron microscopy images (prints or CD), and the pathology report.
Necessary Information
A preliminary pathology report is required for testing to be performed. Send information with specimen. The laboratory will not reject testing if a reason for testing is not provided; however appropriate testing and interpretation may be compromised or delayed. If not provided, an appropriate indication for testing may be entered by Mayo Clinic Laboratories.
Specimen Required
Specimen Type: Kidney tissue
Preferred: 2 Unstained positively charged glass slide (25- x 75- x 1-mm) per test ordered; paraffin sections 3 to 4-microns thick
Acceptable: Formalin-fixed, paraffin-embedded (FFPE) kidney tissue block
Reporting Name
THSD7A ImmunofluorescenceSpecimen Type
SpecialSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Special | Ambient (preferred) | |
| Frozen | ||
| Refrigerated | ||
Report Available
1 to 2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| THSIF | THSD7A Immunofluorescence | 101116-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 605245 | Interpretation | 50595-8 |
| 606383 | Participated in the Interpretation | No LOINC Needed |
| 606384 | Report electronically signed by | 19139-5 |
| 606385 | Addendum | 35265-8 |
| 606386 | Gross Description | 22634-0 |
| 606387 | Material Received | 22633-2 |
| 606388 | Disclaimer | 62364-5 |
| 606389 | Case Number | 80398-1 |
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)
Useful For
Diagnosis of thrombospondin type 1 domain-containing 7A (THSD7A)-associated membranous nephropathy
Day(s) Performed
Monday through Friday
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
88346-Primary IF
88350-If additional IF
Specimen Minimum Volume
See Specimen Required
Method Name
Direct Immunofluorescence (DIF)