ICD-10-CM 2027
ICD-10 code for brainstem nontraumatic hemorrhage
Nontraumatic intracerebral hemorrhage in brain stem
From the official ICD-10-CM alphabetic index entry “Hemorrhage, hemorrhagic (concealed) › brainstem (nontraumatic)”. Page updated September 29, 2026.
About coding brainstem nontraumatic hemorrhage
The ICD-10-CM code for brainstem nontraumatic hemorrhage is I61.3 (Nontraumatic intracerebral hemorrhage in brain stem). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on I61.3.
Within I61 (nontraumatic intracerebral hemorrhage), I61.3 is specifically for nontraumatic intracerebral hemorrhage in brain stem. Related codes cover in hemisphere, subcortical (I61.0), in hemisphere, cortical (I61.1), in hemisphere, unspecified (I61.2), in cerebellum (I61.4), intraventricular (I61.5), multiple localized (I61.6), other nontraumatic intracerebral hemorrhage (I61.8) and unspecified (I61.9).
Use an additional code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-).
As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific brainstem nontraumatic hemorrhage codes (official index)
- traumatic S06.38 — Contusion, laceration, and hemorrhage of brainstem
Common questions about brainstem nontraumatic hemorrhage ICD-10 codes
What is the ICD-10 code for brainstem nontraumatic hemorrhage?
- I61.3 — Nontraumatic intracerebral hemorrhage in brain stem. More specific codes apply when the documentation supports them: S06.38.
What is the ICD-10 code for traumatic brainstem nontraumatic hemorrhage?
- S06.38 — Contusion, laceration, and hemorrhage of brainstem (header code; choose a more specific subcode).
Is I61.3 billable?
- Yes. I61.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I61.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I61.3 as a principal diagnosis.
Is I61.3 a CC or MCC?
- I61.3 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.