Table 2.

Billing claim codes used for identification of cardiovascular diagnoses and proceduresa

ParameterBilling Claim Codes
Cardiovascular diagnoses
    myocardial infarctionICD-9-CM diagnosis: 410.x
    congestive heart failureICD-9-CM diagnosis: 398.91, 422, 425, 428, 402.x1, 404.x1, 404.x3, V42.1
    atrial fibrillationICD-9-CM diagnosis: 427.31x
    strokeICD-9-CM diagnosis: 430, 431, 432, 433.x1, 434.x1, 997.02
    transient ischemic attackICD-9-CM diagnosis: 435.x
    venous thromboembolismICD-9-CM diagnosis: 453.4x, 453.8, 453.9, 415.11, 415.19
Procedures
    cardiac catheterizationICD-9-CM procedure: 37.21, 37.22, 37.23, 88.53 to 88.57 CPT: 93508, 93510, 93511, 93514, 93524, 93526, 93527, 93528, 93529, 93530, 93531 to 93533, 93539 to 93545, 93555, 93556, 93598
    coronary artery bypass graftingICD-9-CM procedure: 36.1x, 36.2 CPT: 33510 to 33523, 33533 to 33536
    amputationICD-9-CM procedure: 84.0x, 84.1x, 84.91; CPT: 24900, 24920, 25900, 25905, 25920, 25927, 27295, 27590, 27591, 27592, 27598, 27880, 27881, 27882, 27888, 27889, 28800, 28805
    peripheral arterial revascularization: angioplasty, atherectomy, endarterectomy, or arterial bypassICD-9-CM procedure: 39.25, 39.26, 39.29 CPT: 35331, 35341, 35351, 35355, 35361, 35363, 35371, 35372, 35381, 35450, 35452, 35454, 35456, 35459, 35470, 35471, 35472, 35473, 35474, 35480 to 35483, 35485, 35490 to 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
  • a “.x” indicates all fourth- and fifth-digit modifiers, unless otherwise noted. CPT, Common Procedural Terminology code; ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification.