ICD-9-CM Diagnosis Code 433.30
Diagnosis Code: 433.30 (Raw: 43330)
Description: Occlusion and stenosis of multiple and bilateral precerebral arteries without mention of cerebral infarction
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 433.30 is designated for Occlusion and stenosis of multiple and bilateral precerebral arteries without mention of cerebral infarction. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
