ICD-10-CM · Chapter 9 · I00-I99
I60 Nontraumatic subarachnoid hemorrhage
Excludes 1 (cannot be coded together)
- syphilitic ruptured cerebral aneurysm (A52.05)
Excludes 2 (not included here)
- sequelae of subarachnoid hemorrhage (I69.0-)
Use Additional Code
- code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| I60..0 | Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation | No |
| I60..00 | Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation | Yes |
| I60..01 | Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation | Yes |
| I60..02 | Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation | Yes |
| I60..1 | Nontraumatic subarachnoid hemorrhage from middle cerebral artery | No |
| I60..10 | Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery | Yes |
| I60..11 | Nontraumatic subarachnoid hemorrhage from right middle cerebral artery | Yes |
| I60..12 | Nontraumatic subarachnoid hemorrhage from left middle cerebral artery | Yes |
| I60..2 | Nontraumatic subarachnoid hemorrhage from anterior communicating artery | Yes |
| I60..3 | Nontraumatic subarachnoid hemorrhage from posterior communicating artery | No |
| I60..30 | Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery | Yes |
| I60..31 | Nontraumatic subarachnoid hemorrhage from right posterior communicating artery | Yes |
| I60..32 | Nontraumatic subarachnoid hemorrhage from left posterior communicating artery | Yes |
| I60..4 | Nontraumatic subarachnoid hemorrhage from basilar artery | Yes |
| I60..5 | Nontraumatic subarachnoid hemorrhage from vertebral artery | No |
| I60..50 | Nontraumatic subarachnoid hemorrhage from unspecified vertebral artery | Yes |
| I60..51 | Nontraumatic subarachnoid hemorrhage from right vertebral artery | Yes |
| I60..52 | Nontraumatic subarachnoid hemorrhage from left vertebral artery | Yes |
| I60..6 | Nontraumatic subarachnoid hemorrhage from other intracranial arteries | Yes |
| I60..7 | Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery | Yes |
| I60..8 | Other nontraumatic subarachnoid hemorrhage | Yes |
| I60..9 | Nontraumatic subarachnoid hemorrhage, unspecified | Yes |
Last reviewed: September 2026