Skip to main content

Table 2 Results of laboratory tests for diagnosing antiphospholipid syndrome

From: Recurrent arterial and venous thrombosis in a 16-year-old boy in the course of primary antiphospholipid syndrome despite treatment with low-molecular-weight heparin: a case report

Date of test

LAC

aCL IgM (U/mL)

aCL IgG (U/mL)

β2-GPI IgM (SMU)

β2-GPI IgG (SGU)

March 22 2011

No

31.14

120.0

Not determined

Not determined

N<12

N<12

May 6 2011

No

25.86

14.25

14.25

107.40

N<12

N (0–20)

N (0–20)

N (0–200)

Follow up

June 22 2012

2.35

0.169

0.072

Not determined

Not determined

N<1.2

N<0.109

N<0.156

  1. Abbreviations: aCL anticardiolipin, GPI glycoprotein, Ig immunoglobulin, LAC lupus anticoagulant, N normal range.
  2. SMU and SGU are the standard units for IgM and IgG antibodies anti- β2GPI (antibodies to β2 glycoprotein) using ELISA method.