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Lab Test Dictionary

Antithrombospondin Type-1 Domain-Containing 7A (THSD7A) Antibody, IgG with Reflex to Titer (3003480)

Methodology

Semi-Quantitative Indirect Fluorescent Antibody


Specimen Type

blood

Performing Lab

ARUP


Epic ID

Other Reference Test

Lab Test Days

Tues

Standard TAT

1-8 days


Collection Information

Specimen Required

3 mL blood

Container Type

Serum Separator Tube

Collection Instructions

Separate serum from cells ASAP or within 2 hours of collection


Processing Information - Lab Use Only

Transport Temperature

Refrigerated

Specimen Stability

Room Temp=48 hours, Refrigerated=2 weeks, Frozen=1 month

Rejection Criteria

Hemolyzed, hyperlipemic, icteric, heat-treated or contaminated

Test Volume Required

1 mL serum

Minimum Test Volume

0.2 mL serum


Included Tests

If THSD7A Antibody IgG is positive, then a titer will be added.


Comments

Recommended for the evaluation of membranous nephropathy in at-risk patients who test negative for PLA2R antibodies. (not genetic)


CPT Codes

86255, if reflexed add 86256


Revised

10/14/24