Warfarin 10 mg initiation nomogram (Kovacs)
Kovacs 10 mg warfarin initiation nomogram (Kovacs, Ann Intern Med 2003): the early-day dose when genotype is unknown.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Protocol day
- 3
- Day-3 INR
- 1.2
Result: Day 3 (day-3 INR < 1.3, entered 1.2): 15 mg.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Protocol day (1–7)
- Day-3 INR (required from day 3)
- Day-5 INR (required from day 5)
How this is calculated
Kovacs MJ, Rodger M, Anderson DR, et al. Comparison of 10-mg and 5-mg warfarin initiation nomograms together with low-molecular-weight heparin for outpatient treatment of acute venous thromboembolism. Ann Intern Med. 2003;138(9):714-719. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.