Heparin Weight Based Protocol - Patientsafetycouncil.org

Anticoagulation Orders
(Therapeutic)
WEIGHT BASED HEPARIN
BOLUS GRID
Use the Heparin Dosing Nomogram for guidance on
which weight-based dose to use.
Round to the nearest 500 units of heparin.
PT WT
(Kg)
80 Units/Kg
(units)
60 Units/Kg
(units)
40 Units/Kg
(units)
PT WT
(Kg)
80 Units/Kg
(units)
60 Units/Kg
(units)
40 Units/Kg
(units)
45 Kg 3,500 2,500 2,000 86 Kg 7,000 5,000* 3,500
46 Kg 3,500 3,000 2,000 87 Kg 7,000 5,000* 3,500
47 Kg 4,000 3,000 2,000 88 Kg 7,000 5,000* 3,500
48 Kg 4,000 3,000 2,000 89 Kg 7,000 5,000* 3,500
49 Kg 4,000 3,000 2,000 90 Kg 7,000 5,000* 3,500
50 Kg 4,000 3,000 2,000 91 Kg 7,500 5,000* 3,500
51 Kg 4,000 3,000 2,000 92 Kg 7,500 5,000* 3,500
52 Kg 4,000 3,000 2,000 93 Kg 7,500 5,000* 4,000
53 Kg 4,000 3,000 2,000 94 Kg 7,500 5,000* 4,000
54 Kg 4,500 3,000 2,000 95 Kg 7,500 5,000* 4,000
55 Kg 4,500 3,500 2,000 96 Kg 7,500 5,000* 4,000
56 Kg 4,500 3,500 2,500 97 Kg 8,000 5,000* 4,000
57 Kg 4,500 3,500 2,500 98 Kg 8,000 5,000* 4,000
58 Kg 4,500 3,500 2,500 99 Kg 8,000 5,000* 4,000
59 Kg 4,500 3,500 2,500 100 Kg 8,000 5,000* 4,000
60 Kg 5,000 3,500 2,500 101 Kg 8,000 5,000* 4,000
61 Kg 5,000 3,500 2,500 102 Kg 8,000 5,000* 4,000
62 Kg 5,000 3,500 2,500 103 Kg 8,000 5,000* 4,000
63 Kg 5,000 4,000 2,500 104 Kg 8,500 5,000* 4,000
64 Kg 5,000 4,000 2,500 105 Kg 8,500 5,000* 4,000
65 Kg 5,000 4,000 2,500 106 Kg 8,500 5,000* 4,000
66 Kg 5,500 4,000 2,500 107 Kg 8,500 5,000* 4,500
67 Kg 5,500 4,000 2,500 108 Kg 8,500 5,000* 4,500
68 Kg 5,500 4,000 2,500 109 Kg 8,500 5,000* 4,500
69 Kg 5,500 4,000 3,000 110 Kg 9,000 5,000* 4,500
70 Kg 5,500 4,000 3,000 111 Kg 9,000 5,000* 4,500
71 Kg 5,500 4,500* 3,000 112 Kg 9,000 5,000* 4,500
72 Kg 6,000 4,500* 3,000 113 Kg 9,000 5,000* 4,500
73 Kg 6,000 4,500* 3,000 114 Kg 9,000 5,000* 4,500
74 Kg 6,000 4,500* 3,000 115 Kg 9,000 5,000* 4,500
75 Kg 6,000 4,500* 3,000 116 Kg 9,500 5,000* 4,500
76 Kg 6,000 4,500* 3,000 117 Kg 9,500 5,000* 4,500
77 Kg 6,000 4,500* 3,000 118 Kg 9,500 5,000* 4,500
78 Kg 6,500 4,500* 3,000 119 Kg 9,500 5,000* 4,500
79 Kg 6,500 4,500* 3,000 120 Kg 9,500 5,000* 5,000
80 Kg 6,500 5,000* 3,000 121 Kg 10,000 5,000* 5,000
81 Kg 6,500 5,000* 3,500 122 Kg 10,000 5,000* 5,000
82 Kg 6,500 5,000* 3,500 123 Kg 10,000 5,000* 5,000
83 Kg 6,500 5,000* 3,500 124 Kg 10,000 5,000* 5,000
84 Kg 7,000 5,000* 3,500 ≥ 125 Kg 10,000 5,000* 5,000
85 Kg 7,000 5,000* 3,500
*Maximum initial bolus is 4,000 units for acute
coronary syndrome/MI if the patient is also receiving
reteplase or alteplase