Supplementary Table 1. ICD-9 CM and CCS Codes Used to Identify Comorbidities and Procedural Complications.
ICD-9 CM = The International Classification of Diseases, Ninth Revision, Clinical Modification CCS = Clinical Classifications Software, https://www.hcup-us.ahrq.gov/toolssoftware/ccs/ccs.jsp
| Comorbidities/Complications | ICD-9 CM/CCS | Codes (Diagnostic/Procedural) |
|---|---|---|
| Acute Myocardial Infarction | CCS | 100 |
| Atrial fibrillation | ICD-9 CM | 427.31 |
| Cardiogenic shock | ICD-9 CM | 785.51 |
| Multivessel percutaneous coronary intervention | ICD-9 CM | 00.41 00.42 00.43 |
| Hemodialysis | ICD-9 CM | 39.95 V45.1 |
| Status pacemaker | ICD-9 CM | V45.01 |
| Smoking | ICD-9 CM | 305.1, V15.82 |
| Dyslipidemia | CCS | 53 |
| Implantable Cardioverter Defibrillator status | ICD-9 CM | V45.02 |
| Ventricular tachyarrhythmia | ICD-9 CM | 427.1, 427.41, 427.42 |
| Prior transient ischemic attack/stroke | ICD-9 CM | V12.54 |
| Percutaneous ventricular assist device (Impella®) | ICD-9 CM | 37.68 |
| Intraaortic balloon pump | ICD-9 CM | 37.61 |
| Extracorporeal membrane oxygenation | ICD-9 CM | 39.65 |
| left ventricular assist device | ICD-9 CM | 37.66 |
| Hemorrhage or hematoma complicating a procedure | ICD-9 CM | 998.1, 998.11, 998.12 998.13 |
| Perioperative autologous transfusions of whole blood or blood components | ICD-9 CM | V58.2, 99.00 |
| In-hospital cardiac arrest | ICD-9 CM | 427.5 |
| Postoperative myocardial infarction | CCS | 100 |
| Postoperative stroke | ICD-9 CM/CCS | 997.02, 109 |
| Post procedural respiratory complications | ICD-9 CM | 997.3 997.31 997.32 99739 |
| Acute kidney injury + dialysis | ICD-9 CM | 584.9+39.95 |
| Postoperative infection | ICD-9 CM | 998.5, 998.51, 998.59, 999.3, 038.0, 995.91, 995.92 |
| Septic shock | ICD-9 CM | 785.52 |