From: Family history of venous thromboembolism is a risk factor for venous thromboembolism in combined oral contraceptive users: a nationwide case-control study
ICD-10
Before exclusions (N = 7,795)
After exclusions (N = 2,311)
I676
119 (2Â %)
27 (1Â %)
I80
4,545 (58Â %)
1,156 (50Â %)
I81
76 (1Â %)
20 (1Â %)
I82
1,143 (15Â %)
358 (15Â %)
I26
1,887 (24Â %)
746 (32Â %)