| I95 | Hypotension |
| I95.0 | Idiopathic hypotension |
| I95.1 | Orthostatic hypotension |
| I95.2 | Hypotension due to drugs |
| I95.3 | Hypotension of hemodialysis |
| I95.8 | Other hypotension |
| I95.81 | Postprocedural hypotension |
| I95.89 | Other hypotension |
| I95.9 | Hypotension, unspecified |
| I96 | Gangrene, not elsewhere classified |
| I97 | Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified |
| I97.0 | Postcardiotomy syndrome |
| I97.1 | Other postprocedural cardiac functional disturbances |
| I97.11 | Postprocedural cardiac insufficiency |
| I97.110 | Postprocedural cardiac insufficiency following cardiac surgery |
| I97.111 | Postprocedural cardiac insufficiency following other surgery |
| I97.12 | Postprocedural cardiac arrest |
| I97.120 | Postprocedural cardiac arrest following cardiac surgery |
| I97.121 | Postprocedural cardiac arrest following other surgery |
| I97.13 | Postprocedural heart failure |
| I97.130 | Postprocedural heart failure following cardiac surgery |
| I97.131 | Postprocedural heart failure following other surgery |
| I97.19 | Other postprocedural cardiac functional disturbances |
| I97.190 | Other postprocedural cardiac functional disturbances following cardiac surgery |
| I97.191 | Other postprocedural cardiac functional disturbances following other surgery |
| I97.2 | Postmastectomy lymphedema syndrome |
| I97.3 | Postprocedural hypertension |
| I97.4 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a procedure |
| I97.41 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a circulatory system procedure |
| I97.410 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterization |
| I97.411 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypass |
| I97.418 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedure |
| I97.42 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedure |
| I97.5 | Accidental puncture and laceration of a circulatory system organ or structure during a procedure |
| I97.51 | Accidental puncture and laceration of a circulatory system organ or structure during a circulatory system procedure |
| I97.52 | Accidental puncture and laceration of a circulatory system organ or structure during other procedure |
| I97.6 | Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a procedure |
| I97.61 | Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a circulatory system procedure |
| I97.610 | Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a cardiac catheterization |
| I97.611 | Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following cardiac bypass |
| I97.618 | Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following other circulatory system procedure |
| I97.62 | Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following other procedure |
| I97.7 | Intraoperative cardiac functional disturbances |
| I97.71 | Intraoperative cardiac arrest |
| I97.710 | Intraoperative cardiac arrest during cardiac surgery |
| I97.711 | Intraoperative cardiac arrest during other surgery |
| I97.79 | Other intraoperative cardiac functional disturbances |
| I97.790 | Other intraoperative cardiac functional disturbances during cardiac surgery |
| I97.791 | Other intraoperative cardiac functional disturbances during other surgery |
| I97.8 | Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified |
| I97.81 | Intraoperative cerebrovascular infarction |
| I97.810 | Intraoperative cerebrovascular infarction during cardiac surgery |
| I97.811 | Intraoperative cerebrovascular infarction during other surgery |
| I97.82 | Postprocedural cerebrovascular infarction |
| I97.820 | Postprocedural cerebrovascular infarction during cardiac surgery |
| I97.821 | Postprocedural cerebrovascular infarction during other surgery |
| I97.88 | Other intraoperative complications of the circulatory system, not elsewhere classified |
| I97.89 | Other postprocedural complications and disorders of the circulatory system, not elsewhere classified |
| I99 | Other and unspecified disorders of circulatory system |
| I99.8 | Other disorder of circulatory system |
| I99.9 | Unspecified disorder of circulatory system |