433.30 is a legacy non-billable code used to specify a medical diagnosis of occlusion and stenosis of multiple and bilateral precerebral arteries without mention of cerebral infarction. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
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.