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Beta-2-Glycoprotein 1 Antibodies, Serum

Test ID: B2GLYAB

Test

Aliases/Synonyms

Phospholipid Antibody; Antiphospholipid; APL; Beta 2 GP1 Ab IgG; Beta 2 GP1 Ab IgG; Beta 2 Glycoprotein 1 Antibodies

Method

Electrochemiluminescent Immunoassay

Method Description

One-step, semi-quantitative chemiluminescent immunoassay

Platform

INOVA Bioflash

Report Includes

β-2-Glycoprotein 1 Antibodies IgG; β-2-Glycoprotein 1 Antibodies IgM

Specimens

Serum

Test Location

The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6

Test Version

13-Jan-2023

Specimen

Specimens

Serum

Collection Containers

Gold top (clot activator & gel)

Sample Volume

1 mL

Minimum Volume

0.5 mL

Specimen Comment

Plasma is not acceptable

Collection & Handling

Handling Information

Separate and freeze immediately. Store and send frozen.

Stability

Ambient 24 hours
Refrigerated 48 hours
Frozen > 48 hours

Additional Stability Information

If the specimen thaws, it is unsuitable for analysis.

Rejection Criteria

Specimen Not frozen or plasma

Test Version

13-Jan-2023

Performance / Interpretation

Method

Electrochemiluminescent Immunoassay

Method Description

One-step, semi-quantitative chemiluminescent immunoassay

Platform

INOVA Bioflash

Turnaround Time

20 days

Results

Name Units Reference Range Conversion Factor
β-2-Glycoprotein 1 Antibodies IgG CU
  • ≤ 20
β-2-Glycoprotein 1 Antibodies IgM CU
  • ≤ 20
Results ≤ 20 CU are considered Negative
Results > 20 CU are considered Positive
The 20 CU positive cut-off corresponds to the upper 99th percentile as recommended by the International Committee in Sydney (International consensus statement on an update of the classification criteria for definite antiphospholipid syndrome (APS). J Thromb Haemost 2006, 4:295-306)

Test Location

The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6

Test Version

13-Jan-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
B2GLYAB 62957B2GP1 IgG CU
62958B2GP1 IgM CU

Test Version

13-Jan-2023