Inpatient and Outpatient Orderable

Phosphatidylserine/Prothrombin Antibodies

Synonyms

LAB10534
PHOSPHATIDYLSERINE/PROTHROMBIN ANTIBODIES
PSPT

Cerner Name

Phosphatidylserine/Prothrombin Abs, Serum

Clinical Info

As an aid in the diagnosis of certain autoimmune thrombotic disorders, such as antiphospholipid syndrome (aPS). Antibodies to PS/PT
correlate with the presence of lupus anticoagulants (LA) and this test may be useful in cases with difficult LA test interpretation. This
assay may also assist in the determination of risk for thrombosis as well as obstetric complications in patients with antiphospholipid antibodies.

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold top tube or Red Top Tube
Specimen: 1 mL serum ( 0.5 mL min)
Transfer Temperature: Frozen

Specimen Volume

1 mL serum ( 0.5 mL min)

Transport Instructions

Specimen Stability

6 Hours Room Temperature
6 Hours Refrigerated
12 Months Frozen

Methodology

Enzyme-Linked Immunosorbent Assay (ELISA)

Days Performed

TAT: 5-9 Days

Performing Laboratory

LabCorp

CPT

86148 x 2

PDM

2159707

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
PHOSPHATIDYLSERINE/PROTHROMBIN AB IGG	PHOSERPROIGG	PHOSPHATIDYLSERINE PROTHROMBIN IGG	Anti-PS/PT Abs IgG
PHOSPHATIDYLSERINE/PROTHROMBIN AB IGM	PHOSERPROIGM	PHOSPHATIDYLSERINE PROTHROMBIN IGM	Anti-PS/PT Abs IgM

Result Interpretation

< 31 Units

Forms

LAB10534

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