Heparins, UFH, LMWH, Fondaparinux,
Rivaroxabzn,Apixaban, Edoxaban:
Adult Therapeutic Range
UFH therapeutic range: 0.30-0.70
IU/mL
(6 hours following initiation or dose
adjustment)
LMWH therapeutic range: 0.50-1.00
IU/mL for twice daily dosing*
LMWH therapeutic range: 1.00-2.00
IU/mL for once daily dosing*
LMWH prophylactic range: 0.10-0.30
IU/mL
(*sample obtained 4-6 hours following
subcutaneous injection)
Anti-Xa, Rivaroxaban:<4 ng/mL
Anti-Xa,Apixaban:<10 ng/mL