ICD-10-CM Section · I95-I99
Other and unspecified disorders of the circulatory system
72 codes in this section
72
Total Codes
49
Billable
23
Header (Non-Billable)
4
Top-Level Codes
About Section I95-I99
Section I95-I99 (I95-I99) covers other and unspecified disorders of the circulatory system. It sits within the Diseases of the circulatory system chapter (I00-I99). This section contains 72 ICD-10-CM codes, 49 billable diagnoses you can submit on a claim, and 23 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in I95-I99
Grouped by 3-character root code. Click any code for full detail.
I95
Hypotension
8 subcodes
| I95.0 | Idiopathic hypotension | Billable |
| I95.1 | Orthostatic hypotension | Billable |
| I95.2 | Hypotension due to drugs | Billable |
| I95.3 | Hypotension of hemodialysis | Billable |
| I95.8 | Other hypotension | Header |
| I95.81 | Postprocedural hypotension | Billable |
| I95.89 | Other hypotension | Billable |
| I95.9 | Hypotension, unspecified | Billable |
I96
Gangrene, not elsewhere classified
0 subcodes
I97
Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
58 subcodes
| I97.0 | Postcardiotomy syndrome | Billable |
| I97.1 | Other postprocedural cardiac functional disturbances | Header |
| I97.11 | Postprocedural cardiac insufficiency | Header |
| I97.110 | Postprocedural cardiac insufficiency following cardiac surgery | Billable |
| I97.111 | Postprocedural cardiac insufficiency following other surgery | Billable |
| I97.12 | Postprocedural cardiac arrest | Header |
| I97.120 | Postprocedural cardiac arrest following cardiac surgery | Billable |
| I97.121 | Postprocedural cardiac arrest following other surgery | Billable |
| I97.13 | Postprocedural heart failure | Header |
| I97.130 | Postprocedural heart failure following cardiac surgery | Billable |
| I97.131 | Postprocedural heart failure following other surgery | Billable |
| I97.19 | Other postprocedural cardiac functional disturbances | Header |
| I97.190 | Other postprocedural cardiac functional disturbances following cardiac surgery | Billable |
| I97.191 | Other postprocedural cardiac functional disturbances following other surgery | Billable |
| I97.2 | Postmastectomy lymphedema syndrome | Billable |
| I97.3 | Postprocedural hypertension | Billable |
| I97.4 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a procedure | Header |
| I97.41 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a circulatory system procedure | Header |
| I97.410 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterization | Billable |
| I97.411 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypass | Billable |
| I97.418 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedure | Billable |
| I97.42 | Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedure | Billable |
| I97.5 | Accidental puncture and laceration of a circulatory system organ or structure during a procedure | Header |
| I97.51 | Accidental puncture and laceration of a circulatory system organ or structure during a circulatory system procedure | Billable |
| I97.52 | Accidental puncture and laceration of a circulatory system organ or structure during other procedure | Billable |
| I97.6 | Postprocedural hemorrhage, hematoma and seroma of a circulatory system organ or structure following a procedure | Header |
| I97.61 | Postprocedural hemorrhage of a circulatory system organ or structure following a circulatory system procedure | Header |
| I97.610 | Postprocedural hemorrhage of a circulatory system organ or structure following a cardiac catheterization | Billable |
| I97.611 | Postprocedural hemorrhage of a circulatory system organ or structure following cardiac bypass | Billable |
| I97.618 | Postprocedural hemorrhage of a circulatory system organ or structure following other circulatory system procedure | Billable |
| I97.62 | Postprocedural hemorrhage, hematoma and seroma of a circulatory system organ or structure following other procedure | Header |
| I97.620 | Postprocedural hemorrhage of a circulatory system organ or structure following other procedure | Billable |
| I97.621 | Postprocedural hematoma of a circulatory system organ or structure following other procedure | Billable |
| I97.622 | Postprocedural seroma of a circulatory system organ or structure following other procedure | Billable |
| I97.63 | Postprocedural hematoma of a circulatory system organ or structure following a circulatory system procedure | Header |
| I97.630 | Postprocedural hematoma of a circulatory system organ or structure following a cardiac catheterization | Billable |
| I97.631 | Postprocedural hematoma of a circulatory system organ or structure following cardiac bypass | Billable |
| I97.638 | Postprocedural hematoma of a circulatory system organ or structure following other circulatory system procedure | Billable |
| I97.64 | Postprocedural seroma of a circulatory system organ or structure following a circulatory system procedure | Header |
| I97.640 | Postprocedural seroma of a circulatory system organ or structure following a cardiac catheterization | Billable |
| I97.641 | Postprocedural seroma of a circulatory system organ or structure following cardiac bypass | Billable |
| I97.648 | Postprocedural seroma of a circulatory system organ or structure following other circulatory system procedure | Billable |
| I97.7 | Intraoperative cardiac functional disturbances | Header |
| I97.71 | Intraoperative cardiac arrest | Header |
| I97.710 | Intraoperative cardiac arrest during cardiac surgery | Billable |
| I97.711 | Intraoperative cardiac arrest during other surgery | Billable |
| I97.79 | Other intraoperative cardiac functional disturbances | Header |
| I97.790 | Other intraoperative cardiac functional disturbances during cardiac surgery | Billable |
| I97.791 | Other intraoperative cardiac functional disturbances during other surgery | Billable |
| I97.8 | Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified | Header |
| I97.81 | Intraoperative cerebrovascular infarction | Header |
| I97.810 | Intraoperative cerebrovascular infarction during cardiac surgery | Billable |
| I97.811 | Intraoperative cerebrovascular infarction during other surgery | Billable |
| I97.82 | Postprocedural cerebrovascular infarction | Header |
| I97.820 | Postprocedural cerebrovascular infarction following cardiac surgery | Billable |
| I97.821 | Postprocedural cerebrovascular infarction following other surgery | Billable |
| I97.88 | Other intraoperative complications of the circulatory system, not elsewhere classified | Billable |
| I97.89 | Other postprocedural complications and disorders of the circulatory system, not elsewhere classified | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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