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Test Code THSD7 Thrombospondin Type-1 Domain-Containing 7A Antibodies, Serum

Reporting Name

THSD7A Ab, S

Useful For

Distinguishing primary from secondary membranous nephropathy cases with antibodies against THSD7A

Method Name

Indirect Immunofluorescence Assay (IFA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

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.


Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  8 hours

Reference Values

Negative

Day(s) Performed

Tuesday

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

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

607079

Report Available

3 to 7 days

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)