ICD-10-CM Code I65.9
Occlusion and stenosis of unspecified precerebral artery
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.Adult Only
Code is only used for patients 15 years old or older.I65.9 is a billable ICD code used to specify a diagnosis of occlusion and stenosis of unspecified precerebral artery. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code I65 is used to code Cerebrovascular disease
Cerebrovascular disease, stroke or cerebrovascular accident, is a vascular disease of the cerebral circulation. Arteries supplying oxygen to the brain are affected resulting in one of a number of cerebrovascular diseases. Most commonly this is a stroke or mini-stroke and sometimes can be a hemorrhagic stroke. Any of these can result in vascular dementia.
Cerebral angiogram of a carotid-cavernous fistula
Coding Notes for I65.9 Info for medical coders on how to properly use this ICD-10 code
-
Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Occlusion and stenosis of precerebral artery NOS
MS-DRG Mapping
- DRG Group #067-068 - Nonspecific cva and precerebral occlusion without infarct with MCC.
- DRG Group #067-068 - Nonspecific cva and precerebral occlusion without infarct without MCC.
Related Concepts SNOMET-CT
- Multiple AND bilateral precerebral artery stenosis without infarction (disorder)
Coding Advice SNOMET-CT
- Possible requirement for an external cause code
ICD-10-CM Alphabetical Index References for 'I65.9 - Occlusion and stenosis of unspecified precerebral artery'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I65.9. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code I65.9 and a single ICD9 code, 433.90 is an approximate match for comparison and conversion purposes.
Parent Code: I65 - Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction