ICD-9 Diagnosis Code 437.0

Cerebral atherosclerosis

Diagnosis Code 437.0

ICD-9: 437.0
Short Description: Cerebral atherosclerosis
Long Description: Cerebral atherosclerosis
This is the 2014 version of the ICD-9-CM diagnosis code 437.0

Code Classification
  • Diseases of the circulatory system
    • Cerebrovascular disease (430-438)
      • 437 Other and ill-defined cerebrovascular disease

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Adult diagnoses (age 15 through 124) Additional informationCallout TooltipAdult diagnoses (age 15 through 124)
Adult diagnoses: Age range is 15–124 years inclusive.

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • I67.2 - Cerebral atherosclerosis

Index of Diseases and Injuries
References found for the code 437.0 in the Index of Diseases and Injuries:

Information for Patients


Also called: Arteriosclerosis

Atherosclerosis is a disease in which plaque builds up inside your arteries. Plaque is a sticky substance made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. That limits the flow of oxygen-rich blood to your body.

Atherosclerosis can lead to serious problems, including

  • Coronary artery disease. These arteries supply blood to your heart. When they are blocked, you can suffer angina or a heart attack.
  • Carotid artery disease. These arteries supply blood to your brain. When they are blocked you can suffer a stroke.
  • Peripheral arterial disease. These arteries are in your arms, legs and pelvis. When they are blocked, you can suffer from numbness, pain and sometimes infections.

Atherosclerosis usually doesn't cause symptoms until it severely narrows or totally blocks an artery. Many people don't know they have it until they have a medical emergency.

A physical exam, imaging, and other diagnostic tests can tell if you have it. Medicines can slow the progress of plaque buildup. Your doctor may also recommend procedures such as angioplasty to open the arteries, or surgery on the coronary or carotid arteries. Lifestyle changes can also help. These include following a healthy diet, getting regular exercise, maintaining a healthy weight, quitting smoking, and managing stress.

NIH: National Heart, Lung, and Blood Institute

  • Angioplasty and stent placement - peripheral arteries
  • Arteriogram
  • Atherosclerosis - NIH (National Heart, Lung, and Blood Institute)
  • Doppler ultrasound exam of an arm or leg
  • Extremity angiography
  • Hardening of the arteries
  • How Is Atherosclerosis Treated? - NIH (National Heart, Lung, and Blood Institute)
  • Magnetic resonance angiography

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Brain Diseases

The brain is the control center of the body. It controls thoughts, memory, speech, and movement. It regulates the function of many organs. When the brain is healthy, it works quickly and automatically. However, when problems occur, the results can be devastating.

Inflammation in the brain can lead to problems such as vision loss, weakness and paralysis. Loss of brain cells, which happens if you suffer a stroke, can affect your ability to think clearly. Brain tumors can also press on nerves and affect brain function. Some brain diseases are genetic. And we do not know what causes some brain diseases, such as Alzheimer's disease.

The symptoms of brain diseases vary widely depending on the specific problem. In some cases, damage is permanent. In other cases, treatments such as surgery, medicines, or physical therapy can correct the source of the problem or improve symptoms.

  • Basal ganglia dysfunction
  • Brain abscess
  • Brain surgery
  • Brain surgery - discharge
  • Central pontine myelinolysis
  • Cerebral spinal fluid (CSF) collection
  • EEG
  • Hepatic encephalopathy
  • Hepatocerebral degeneration
  • Increased intracranial pressure
  • Intraventricular hemorrhage of the newborn
  • Pseudotumor cerebri
  • Subdural hematoma
  • Wernicke-Korsakoff syndrome

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