I95-I99Not billable, use a more specific code below
Other and unspecified disorders of the circulatory system (I95-I99)
chapter 9: Diseases of the Circulatory System
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers hypertension with heart and kidney disease, coronary artery disease with angina, perioperative stroke, cerebrovascular sequelae, and acute myocardial infarction types and timing.
- Hypertension (page 50)
- Atherosclerotic Coronary Artery Disease and Angina (page 52)
- Intraoperative and Postprocedural Cerebrovascular Accident (page 53)
- Sequelae of Cerebrovascular Disease (page 53)
- Acute myocardial infarction (AMI) (page 54)
All codes under I95-I99
I95-I99 can't be used on a claim. Pick a billable code below; grey headings group them.
- I95Hypotension
- I95.0Idiopathic hypotension
- I95.1Orthostatic hypotension
- I95.2Hypotension due to drugs
- I95.3Hypotension of hemodialysis
- I95.8Other hypotension
- I95.81Postprocedural hypotension
- I95.89Other hypotension
- I95.9Hypotension, unspecified
- I96Gangrene, not elsewhere classified
- I97Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
- I97.0Postcardiotomy syndrome
- I97.1Other postprocedural cardiac functional disturbances
- I97.11Postprocedural cardiac insufficiency
- I97.110Postprocedural cardiac insufficiency following cardiac surgery
- I97.111Postprocedural cardiac insufficiency following other surgery
- I97.12Postprocedural cardiac arrest
- I97.120Postprocedural cardiac arrest following cardiac surgery
- I97.121Postprocedural cardiac arrest following other surgery
- I97.13Postprocedural heart failure
- I97.130Postprocedural heart failure following cardiac surgery
- I97.131Postprocedural heart failure following other surgery
- I97.19Other postprocedural cardiac functional disturbances
- I97.190Other postprocedural cardiac functional disturbances following cardiac surgery
- I97.191Other postprocedural cardiac functional disturbances following other surgery
- I97.2Postmastectomy lymphedema syndrome
- I97.3Postprocedural hypertension
- I97.4Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a procedure
- I97.41Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a circulatory system procedure
- I97.410Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterization
- I97.411Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypass
- I97.418Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedure
- I97.42Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedure
- I97.5Accidental puncture and laceration of a circulatory system organ or structure during a procedure
- I97.51Accidental puncture and laceration of a circulatory system organ or structure during a circulatory system procedure
- I97.52Accidental puncture and laceration of a circulatory system organ or structure during other procedure
- I97.6Postprocedural hemorrhage, hematoma and seroma of a circulatory system organ or structure following a procedure
- I97.61Postprocedural hemorrhage of a circulatory system organ or structure following a circulatory system procedure
- I97.610Postprocedural hemorrhage of a circulatory system organ or structure following a cardiac catheterization
- I97.611Postprocedural hemorrhage of a circulatory system organ or structure following cardiac bypass
- I97.618Postprocedural hemorrhage of a circulatory system organ or structure following other circulatory system procedure
- I97.62Postprocedural hemorrhage, hematoma and seroma of a circulatory system organ or structure following other procedure
- I97.620Postprocedural hemorrhage of a circulatory system organ or structure following other procedure
- I97.621Postprocedural hematoma of a circulatory system organ or structure following other procedure
- I97.622Postprocedural seroma of a circulatory system organ or structure following other procedure
- I97.63Postprocedural hematoma of a circulatory system organ or structure following a circulatory system procedure
- I97.630Postprocedural hematoma of a circulatory system organ or structure following a cardiac catheterization
- I97.631Postprocedural hematoma of a circulatory system organ or structure following cardiac bypass
- I97.638Postprocedural hematoma of a circulatory system organ or structure following other circulatory system procedure
- I97.64Postprocedural seroma of a circulatory system organ or structure following a circulatory system procedure
- I97.640Postprocedural seroma of a circulatory system organ or structure following a cardiac catheterization
- I97.641Postprocedural seroma of a circulatory system organ or structure following cardiac bypass
- I97.648Postprocedural seroma of a circulatory system organ or structure following other circulatory system procedure
- I97.7Intraoperative cardiac functional disturbances
- I97.71Intraoperative cardiac arrest
- I97.710Intraoperative cardiac arrest during cardiac surgery
- I97.711Intraoperative cardiac arrest during other surgery
- I97.79Other intraoperative cardiac functional disturbances
- I97.790Other intraoperative cardiac functional disturbances during cardiac surgery
- I97.791Other intraoperative cardiac functional disturbances during other surgery
- I97.8Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified
- I97.81Intraoperative cerebrovascular infarction
- I97.810Intraoperative cerebrovascular infarction during cardiac surgery
- I97.811Intraoperative cerebrovascular infarction during other surgery
- I97.82Postprocedural cerebrovascular infarction
- I97.820Postprocedural cerebrovascular infarction following cardiac surgery
- I97.821Postprocedural cerebrovascular infarction following other surgery
- I97.88Other intraoperative complications of the circulatory system, not elsewhere classified
- I97.89Other postprocedural complications and disorders of the circulatory system, not elsewhere classified
- I99Other and unspecified disorders of circulatory system
- I99.8Other disorder of circulatory system
- I99.9Unspecified disorder of circulatory system
I95-I99 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Low Blood Pressure
You've probably heard that high blood pressure is a problem. Sometimes blood pressure that is too low can also cause problems. Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps out blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is the diastolic pressure. Your blood pressure reading uses these two numbers. Usually they're written one above or before the other, such as 120/80. If your blood pressure reading is 90/60 or lower, you have low blood pressure.
Read more about low blood pressure on MedlinePlus