| LABORATORY
TEST |
|
CONDITION(S)
SCREENED |
|
REMARKS |
| Complete
blood count |
Myeloproliferative
disorders |
|
| Lipid
profile |
Hyperlipidemia |
|
| Erythrocyte
sedimentation rate |
Vasculitis
and autoimmune disease |
|
| Antiphospholipid
antibodies (eg, IgG anticardiolipin antibody test) |
Thrombosis (in patients with autoimmune disease) |
|
| Hematological
profile tests |
Defect in the
physiological anticoagulation mechanism |
|
- Prothrombin time (PT)
- Activated partial thromboplastin time (aPTT)
- Functional assays of antithrombin & protein C
- Free and total levels of protein S
|
|
The
lupus anticoagulant prolongs the aPTT and the Russell viper
venom time. |
| Genetic screening
of Factor V (mutation of Arg 506 to Gln) |
Defect in the physiological
anticoagulation mechanism |
Activated protein
C resistance |
| Serum
homocysteine level |
Hyperhomocysteinemia |
|
