Skip to main content
. 2017 Jun;23(6):10.18553/jmcp.2017.23.6.700. doi: 10.18553/jmcp.2017.23.6.700
Criteria Variable Definition (ICD-9-CM or CPT Code)
Exclusion criteria AF ablation 37.34, 37.33, 93650, 93651, 93652
Cardioversion procedure valvular repair or replacement 92960, 92961, 99.61, 33405, 33420, 33422, 33425, 33426, 33427, 33430, 33496, 35.01-35.02, 35.11-35.12, 35.21-35.24, V42.2, V43.3
Valvular diseases 394.xx, 396.xx, 746.5
Hyperthyroidism 242.9
Evidence of pregnancy V22.x, pregnancy EMR table
Outcome Stroke or systemic embolism All stroke or systemic embolism
  Ischemic stroke Primary hospital discharge record: 433.x1, 434.x1, 436
  Hemorrhagic stroke Primary hospital discharge record: 430, 431
  Systemic embolism Primary hospital discharge record: 444.0, 444.1, 444.2x, 444.8x, 444.9, 557.x, 593.81
Major bleed A bleeding event will be defined as major if it was an intracranial bleed or any other bleed that was associated with the following: inpatient care (primary and secondary diagnosis of major bleed), blood transfusion of 2 or more units of whole blood or red blood cells, decreased hemoglobin or hematocrit of 2 g/dL or more, physician guided medical or surgical treatment, or death.
  ICH Primary or secondary hospital discharge record: 432.x

Exclude ICH associated with a concomitant discharge diagnosis of major trauma (852.1, 852.3, 852.5, and 853.1)
  GI bleeding Primary or secondary hospital discharge record: 530.21, 530.7, 530.82, 531.0x, 531.2x, 531.4x, 531.6x, 532.0x, 532.2x, 532.31, 532.4x, 532.6x, 534.0x, 534.2x, 534.4x, 534.6x, 535.x1, 537.83, 537.84, 537.89, 562.02, 562.03, 562.12, 562.13, 568.81, 569.3, 569.69, 569.85, 577.8, 578.x, 580.9, 596.7, 596.8, 599.7x
  Other bleeding (e.g., intraspinal, pericardial, intra-articular, and intramuscular) Primary or secondary hospital discharge record: 255.41, 423.0, 455.2, 455.5, 455.8, 456.0, 456.2. 456.8, 459.0, 719.1x, 784.7, 784.8, 785.59, 786.3, 853.0x
Others To define major bleeding
  Physician-guided medical or surgical treatment From primary or secondary hospital discharge record: 10140, 10160, 11740, 21501, 21502, 23030, 23930, 25028, 26990, 27301, 27603, 30000, 30020, 30901, 30903, 30905, 30906, 31238, 32110, 32654, 32658, 33020, 40800, 40801, 41000, 41005, 41006, 41007, 41008, 41009, 41015, 41016, 41017, 41018, 41800, 42960, 42961, 42962, 42970, 42971, 42972, 43227, 43255, 43460, 43501, 44366, 44378, 44391, 45317, 45334, 45382, 46614, 47350, 47360, 47361, 47362, 52606, 54700, 57023, 57180, 61108, 61154, 61156, 61312, 61313, 61314, 61315, 61322, 61323, 65930, 69000, 69005, 91100

ICD procedure codes: 44.43, 44.44, 44.49
Covariates Congestive heart failure 428.x, 429.x
Hypertension 401.x, 402.x, 403.x, 404.x, 405.x
Diabetes mellitus 250.x
Stroke or transient ischemic attack 433.x1, 434.x1, 435.x, 436 (in hospital or emergency room visit records)
Peripheral vascular disease 443.x
Liver cirrhosis 571.2, 571.5, or 571.6
Cardiomyopathy 425.x
Dementia 290.xx, 294.1x
Bleed 530.21, 530.7, 530.82, 531.0x, 531.2x, 531.4x, 531.6x, 532.0x, 532.2x, 532.31, 532.4x 532.6x, 534.0x, 534.2x, 534.4x, 534.6x, 535.x1, 537.83, 537.84, 537.89, 562.02, 562.03, 562.12, 562.13, 568.81, 569.3, 569.69, 569.85, 577.8, 578.x, 580.9, 596.7, 596.8, 599.7x, 255.41, 423.0, 455.2, 455.5, 455.8, 456.0, 456.2. 456.8, 459.0, 719.1x, 784.7, 784.8, 785.59, 786.3, 853.0x
Myocardial infarction 410.x (primary hospital discharge)
Mechanical fall E880–E888 (in hospital or emergency room visit records)
Asthma/COPD/pulmonary embolism 493.x, 491.x, 492.x, 496.x, 415.1x, 416.2
Drug/alcohol dependence 303.x, 304.x
Malignancy 140.0-149.9, 150.0-159.9, 160.0-165.9, 170.0-170.9, 171.0-171.9, 172.0-172.9, 173.0-173.9, 174.0-175.9, 176.0-176.9, 179, 180.0-180.9, 181, 182.0-183.9, 184.0-184.9, 186.0-187.9, 188.0-188.9, 189.0-189.9, 190.1-190.9, 191.0-191.9, 192.0-192.9, 193, 194.0-194.9, 195.0-195.8, 196.0-198.89, 199.0-1S99.2, 200.00-202.98, 203.00-203.02, 203.10-203.12, 209.0-209.3, 235.0-235.9, 236.0-236.4, 236.6-236.91, 237.0-238.3
Medication Warfarin GPI code: 77204030002010, 77204030002005, 77204030000305
Periprocedural anticoagulation (heparin, bivalrudin, and low-molecular-weight heparin) GPI class code: 8310
Antiarrythmic medications (quinidine, procainamide, disopyramide, propafenone, flecainide, amiodaron, dofetilide, and ibutilide, dronedarone) GPI class code: 3510, 3520, 3530, 3540
Clopidogrel, ticlopidine, and prasugrel, ticagrelor GPI code: 85158020100320, 85158080100320
Heart rate control medications: beta-blocker, calcium channel blocker, Digoxin GPI class code: 3120, 3310, 3320, 3330, 34
Secondary prevention medications (statins, angiotensin-converting engyme inhibitors, and angiotensin receptor blockers) GPI class code: 3610, 3610, 3615, 3699, 3940

AF = atrial fibrillation; COPD = chronic obstructive pulmonary disease; CPT = Current Procedural Terminology; GI = gastrointestinal; GPI = Generic Product Identifier; ICD-9-CM = International Classification of Diseases, Ninth Revision, Clinical Modification; ICH = intracerebral hemorrhage.