Inpatient and Outpatient Orderable

Phosphatidylserine Antibodies (IgA, IgG, IgM)

Synonyms

LAB1180
PHOSPHATIDYLSERINE ANTIBODIES

Cerner Name

Clinical Info

This test can be used 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 also may 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

Specimen Volume

1 mL of serum (0.5 mL min)

Container

Gold Top Tube

Collection Instructions

Container/Tube: Red top tube or Gold-top tube
Specimen: 1 mL of serum (0.5 mL min)
Transport Temperature: Refrigerate
Stability: 14 Days Room Temperature
14 Days Refrigerated
14 Days Frozen

T

Transport Instructions

Refrigerate

Specimen Stability

14 Days Room Temperature
14 Days Refrigerated
14 Days Frozen

TAT: 3-5 Days

Methodology

Enzyme-linked immunosorbent assay (ELISA)

Days Performed

Performing Laboratory

LabCorp

CPT

86148 x 3

LOINC Code:
Phosphatidylserine (IgG)
14245-5
Phosphatidylserine (IgM)
14246-3
Phosphatidylserine (IgA)
13069-0

PDM

5909092

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
PHOSPHATIDYL SERINE ANTIBODY IGM	PHOSPHSERIGM	PHOSPHATIDYL SERINE ANTIBODY IGM	Antiphosphatidylserine IgM
PHOSPHATIDYL SERINE ANTIBODY IGA	PHOSPHSERIGA	PHOSPHATIDYL SERINE ANTIBODY IGA	Antiphosphatidylserine IgA
PHOSPHATIDYL SERINE ANTIBODY IGG	PHOSPHSERIGG	PHOSPHATIDYL SERINE ANTIBODY IGG	Antiphosphatidylserine IgG

Result Interpretation

Phosphatidylserine Ab IgG

<10	Negative
10-20	Equivocal - Found in small percentage of the healthy population; may be reactive
>20	Positive - Risk factor for thrombosis and pregnancy loss

Phosphatidylserine Ab IgA

<20	Negative
20-30	Equivocal - Found in small percentage of the healthy population; may be reactive
>30	Positive - Risk factor for thrombosis

Phosphatidylserine Ab IgM

<25	Negative
25-35	Equivocal - Found in small percentage of the healthy population; may be reactive
>35	Positive - Risk factor for thrombosis

Forms

LAB1180

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