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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, S
National University Hospital-Singapore Note:


 


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.


Secondary ID

607079

Useful For

Distinguishing primary from secondary membranous nephropathy cases with antibodies against THSD7A

Method Name

Indirect Immunofluorescence Assay (IFA)

Specimen Type

Serum

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

Reference Values

Negative

Day(s) Performed

Tuesday

Report Available

3 to 7 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

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. 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

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)

National University Hospital-Singapore Additional Information:

Last updated 14/07/2026