LOINC display name : aPTT.lupus sensitive screen to confirm Coag (PPP) [Ratio];
LOINC long common name : aPTT.lupus sensitive/aPTT.lupus sensitive W excess phospholipid (screen to confirm
ratio);
LOINC short name : aPTT screen to confirm ratio;
LOINC description : The aPTT screen to confirm ratio formula is based on the 2009 International Society
on Thrombosis and Haemostasis lupus anticoagulant testing guidelines. [PMID:19624461];