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. Author manuscript; available in PMC: 2014 Feb 2.
Published in final edited form as: Stud Health Technol Inform. 2013;192:682–686.

Table 3.

Top 5 ICD-9-CM based diagnosis for patients prescribed a Clopidogrel DDI

DDI Pair Unique ID Top 5 observed ICD-9-CM diagnosis
DDI_3 Unspecified essential hypertension
Other and unspecified hyperlipidemia
Other forms of chronic ischemic heart disease
Coronary atherosclerosis of native coronary artery
Screening for malignant neoplasms of prostate
DDI_4 Other and unspecified hyperlipidemia
Unspecified hereditary and idiopathic peripheral neuropathy
Unspecified hearing loss
Residual hemorrhoidal skin tags
Mastodynia
DDI_5 Unspecified essential hypertension
Other forms of chronic ischemic heart disease
Other and unspecified hyperlipidemia
Coronary atherosclerosis of native coronary artery
Atherosclerosis of native arteries of the extremities with intermittent claudication
DDI_7 Unspecified essential hypertension
Other and unspecified hyperlipidemia
Other forms of chronic ischemic heart disease
Coronary atherosclerosis of native coronary artery
Diabetes mellitus
DDI_8 Other and unspecified hyperlipidemia
Unspecified essential hypertension
Diabetes mellitus
Other specified pre-operative examination
Screening for malignant neoplasms of prostate
DDI_11 Unspecified essential hypertension
Other and unspecified hyperlipidemia
Other forms of chronic ischemic heart disease
Coronary atherosclerosis of native coronary artery
Diabetes Mellitus