ICD-10-CM 2027
ICD-10 code for brain endarteritis
From the official ICD-10-CM alphabetic index entry “Endarteritis (bacterial, subacute) (infective) › brain”. Page updated September 29, 2026.
About coding brain endarteritis
The ICD-10-CM code for brain endarteritis is I67.7 (Cerebral arteritis, not elsewhere classified).
Within I67 (other cerebrovascular diseases), I67.7 is specifically for cerebral arteritis, not elsewhere classified. Related codes cover dissection of cerebral arteries, nonruptured (I67.0), cerebral aneurysm, nonruptured (I67.1), cerebral atherosclerosis (I67.2), progressive vascular leukoencephalopathy (I67.3), hypertensive encephalopathy (I67.4), Moyamoya disease (I67.5), nonpyogenic thrombosis of intracranial venous system (I67.6), other specified cerebrovascular diseases (I67.8) and 1 more.
Don't report I67.7 together with the conditions in its Excludes1 note: allergic granulomatous angiitis (M30.1).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for I67.7)
- allergic granulomatous angiitis (M30.1)
Common questions about brain endarteritis ICD-10 codes
What is the ICD-10 code for brain endarteritis?
- I67.7 — Cerebral arteritis, not elsewhere classified.
Is I67.7 billable?
- Yes. I67.7 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I67.7 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I67.7 as a principal diagnosis.
Is I67.7 a CC or MCC?
- I67.7 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.