Sign in →

Test Code 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.

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

Useful For

Diagnosis of thrombospondin type 1 domain-containing 7A (THSD7A)-associated membranous nephropathy

Method Name

Direct Immunofluorescence (DIF)

Reporting Name

THSD7A Immunofluorescence

Specimen Type


Specimen Stability Information

Specimen Type Temperature Time Special Container
Special Ambient (preferred)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

88346-Primary IF

88350-If additional IF

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


If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.

Specimen Minimum Volume

See Specimen Required

Day(s) Performed

Monday through Friday

Report Available

1 to 2 days