Days Set Up
Tuesday
Analytic Time

2 - 12 days

MiChart Code
Phosphatidylserine/Prothrombin Antibody, IgG and IgM, Serum
Soft Order Code
PSPT

Test Updated:

Synonyms

FPIG
PHOSPHATIDYLSERINE IgG/M/A PNL

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All specimens should be accompanied by a requisition.

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Test Overview

Test Methodology

Enzyme-Linked Immunosorbent Assay (ELISA)

Test Usage

Evaluation of patients with suspected antiphospholipid syndrome. This test also may be used to evaluate patients with evidence of a functional lupus anticoagulant or with strong suspicion of antiphospholipid syndrome for which anticardiolipin/beta 2-glycoprotein I and antibeta 2-glycoprotein I antibody testing were negative.

Reference Range

Negative < or = 30.0 U, Borderline 30.1 – 40.0 U, Positive > or = 40.1 U.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect specimen in an SST or red top tube.

Collection Offsite

Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.4 mL serum

Billing Information

CPT Code
86148 x2
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.