Condition	Definition
Atrial fibrillation	ICD-9-CM diagnosis: 427.31
Coronary artery bypass surgery	ICD-9-CM procedures: 36.10 to 36.19
Pericardial surgery	ICD-9-CM procedure: 37.10 to 37.12, 37.31 to 37.33, or 37.40
Structural cardiac repair	ICD-9-CM procedure: 35.00 to 35.04, 35.31 to 35.39, 35.41 to 35.42, 35.50 to 35.56, 35.60 to 35.63 or 35.70 to 35.73
Mitral stenosis or prosthetic heart valve	ICD-9-CM diagnosis: 394.0, 394.2, 396.0, 396.1, 396.8, V43.3, or V42.2
Mitral or aortic valve repair or replacement	ICD-9-CM procedure: 35.10 to 35.14 or 35.20 to 35.28
Concomitant hyperthyroidism or thyrotoxicosis	ICD-9-CM diagnosis: 242.0 to 242.9 or methimazole or propylthiouracil use (codes below)
Prior stroke/transient ischemic attack	ICD-9-CM diagnosis: 433.xx, 434.xx, 435.0, 435.1, 435.2, 435.3, 435.8, 435.9
Congestive heart failure	ICD-9-CM diagnosis: 398.91, 402.01, 402.11, 425.1, 425.4, 425.7, 428.X
Diabetes mellitus	ICD-9-CM diagnosis: 250.x
Hypertension	ICD-9-CM diagnosis: 401.x, 402.x, 403.x, 404.x, 405
Vascular diseases	ICD-9-CM diagnosis: 410, 411, 412, 413, 414, 440, 441, 442, 443, 444, 445 or Procedure codes: 00.66, 36.0, 36.1, 39.25, 33510-33545, 34051, 34151, 34201, 34203, 34800-34834, 34900, 35081-35103, 35131, 35132, 35141, 35142, 35151, 35152, 35331, 35341, 35351, 35355, 35361, 35363, 35371, 35372, 35381, 35450, 35452, 35454, 35456, 35459, 35470, 35471, 5472, 35473, 35474, 35480, 35481, 35482, 35483, 35485, 35490, 35491, 35492, 35493, 35495, 35521, 35531, 35533, 35541, 35546, 35548, 35549, 35551,35556, 35558, 35563, 35565, 35566, 35571, 35583, 35585, 35587, 35621, 35623, 35646, 35647, 35651, 35654, 35656, 35661, 35663, 35665, 35666, 35671, 92980, 92981, 92982, 92984
Prior bleeding	ICD-9-CM diagnosis: 423.0, 430.xx, 431.xx, 432.xx, 852.0x, 852.2x, 852.4x, 853.0x, 455.2, 455.5, 455.8, 456.0, 456.20, 459.0, 530.7, 530.82, 531.00, 531.01, 531.20, 531.21, 531.40, 531.41, 531.60, 531.61, 533.01, 533.20, 533.21, 533.40, 533.41, 533.60, 533.61, 534.00, 534.01, 534.20, 534.21, 534.40, 534.41, 534.60, 534.61, 535.11, 535.21, 535.31, 535.41, 535.51, 535.61, 537.83, 562.02, 562.03, 562.12, 562.13, 568.81, 569.3, 569.85, 578, 578.0, 578.1, 578.9, 593.81, 599.7, 719.10, 719.11, 719.12, 719.13, 719.14, 719.15, 719.16, 719.17, 719.18, 719.19, 784.7, 784.8, 786.3
Anemia	ICD-9-CM diagnosis: 285.1, 282.41, 282.42, 282.5, 282.60-282.64, 282.68, 282.69, 280.1, 280.8, 280.9, 281.0, 281.1, 281.2, 281.3, 281.4, 281.8, 281.9, 284.0, 284.01, 284.09, 284.1, 284.8, 284.81, 284.89, 284.9, 280, 283.0, 283.1, 283.11, 283.19, 283.2, 283.9, 282.0, 282.1, 282.2, 282.3, 282.4, 282.49, 282.7, 282.8, 282.9, 284.2, 285.0, 285.21, 285.22, 285.29, 285.8, 285.9
Renal failure	ICD-9-CM diagnosis: 584, 584.5, 584.6, 584.7, 584.8, 584.9, 585, 585.3, 585.4, 585.5, 585.6, 585.9, 586, 792.5, V420, V451, V4511, V4512, V560, V561, V562, V5631, V5632, V568
Hyperlipidemia	ICD-9-CM codes: 272.0x-272.4x
Dementia	ICD-9-CM codes: 290.x, 294.1, 331.2
Chronic pulmonary disease	ICD-9-CM codes: 416.8, 416.9, 490.x-505.x, 506.4, 508.1, 508.8
Rheumatism	ICD-9-CM codes: 446.5, 710.0-710.4, 714.0-714.2, 714.8, 725.x
Diabetes with complications	ICD -9- CM codes: 250.4-250.7
Cancer	ICD-9-CM codes: 140.x-172.x, 174.x-195.8, 200.x-208.x, 238.6
Metastatic cancer	ICD-9-CM codes: 196.x-199.x
Alcohol use	ICD-9-CM diagnosis: 291.0, 291.1, 291.2, 303, 305.0, 535.3, V11.3
Medications
Warfarin	First 6 digits of GPI code: 832000XXXXXXXX
Dabigatran	First 6 digits of GPI code: 83337030XXXXXX
Rivaroxaban	First 6 digits of GPI code: 83370060XXXXXX
Apixaban	First 6 digits of GPI code: 83370010XXXXXX
Aspirin	First 6 digits of GPI code: 641000XXXXXXXX
Antiplatelets	First 4 digits of GPI code: 8515XXXXXXXXX
Methimazole/propylthiouracil	First 6 digits of GPI code: 283000XXXXXXXX

GPI = Generic Product Identifier; ICD-9-CM = International Classification of Diseases, Ninth Revision, Clinical Modification.