ICD-10-CM › I00-I99 › I60-I69 › I67 Other cerebrovascular diseases › I67.5
Moyamoya disease
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Moyamoya disease
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from I67 Other cerebrovascular diseases
Excludes1 - never coded here
- Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)
- Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)
Excludes2 - not included here
- sequelae of the listed conditions (I69.8)
Inherited from the I60-I69 section Cerebrovascular diseases (I60-I69)
Excludes1 - never coded here
- traumatic intracranial hemorrhage (S06.-)
Use additional code
- code to identify presence of:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- hypertension (I10-I1A)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Moyamoya disease
- Nishimoto disease
- Disease, diseased > moyamoya
- Disease, diseased > Nishimoto
- Encephaloduroarteriomyosynangiosis
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I67.0 | Dissection of cerebral arteries, nonruptured | Valid |
| I67.1 | Cerebral aneurysm, nonruptured | Valid |
| I67.2 | Cerebral atherosclerosis | Valid |
| I67.3 | Progressive vascular leukoencephalopathy | Valid |
| I67.4 | Hypertensive encephalopathy | Valid |
| I67.6 | Nonpyogenic thrombosis of intracranial venous system | Valid |
| I67.7 | Cerebral arteritis, not elsewhere classified | Valid |
| I67.8 | Other specified cerebrovascular diseases | Not billable |
| I67.9 | Cerebrovascular disease, unspecified | Valid |