. 2014 Mar 26;21(e2):e297–e303. doi: 10.1136/amiajnl-2013-002225

Table 1.

ICD-10 diagnosis codes used to determine differences in the frequencies of bleeding due to anticoagulants, other bleeding events, heparin-induced thrombocytopenia and VTE events (adapted from Huo et al²⁸ and Casez et al²⁹ and updated)

Event	ICD-10 diagnosis codes
Bleeding due to anticoagulants	D68.3*
Other bleeding events	D69.9, H11.3, H31.3, H35.6, H43.1, H45.0, I60., I61., I62., K22.8, K62.5, K66.1, K92.0, K92.1, K92.2, M25.0, R04., R23.3, R31, R58
Heparin-induced thrombocytopenia	D69.53
VTE	I26., I80.1, I80.2, I80.3, I80.8, I80.9, I82.1, I82.2, I82.3, I82.8, I82.9, O22.3, O87.1, O88.2

The * character is used as a wildcard that matches zero or more numeric digits.

ICD, International Classification of Diseases; VTE, venous thromboembolism.