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I60

⚠ Non-billable (Header)

Nontraumatic subarachnoid hemorrhage

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

  • • code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)

❌ Excludes1

direct

Cannot be coded with I60

  • • syphilitic ruptured cerebral aneurysm (A52.05)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • sequelae of subarachnoid hemorrhage (I69.0-)

Child Codes (10)

I60.0Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcationI60.1Nontraumatic subarachnoid hemorrhage from middle cerebral arteryI60.2Nontraumatic subarachnoid hemorrhage from anterior communicating arteryI60.3Nontraumatic subarachnoid hemorrhage from posterior communicating arteryI60.4Nontraumatic subarachnoid hemorrhage from basilar arteryI60.5Nontraumatic subarachnoid hemorrhage from vertebral arteryI60.6Nontraumatic subarachnoid hemorrhage from other intracranial arteriesI60.7Nontraumatic subarachnoid hemorrhage from unspecified intracranial arteryI60.8Other nontraumatic subarachnoid hemorrhageI60.9Nontraumatic subarachnoid hemorrhage, unspecified

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Code Information

CodeI60
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes21 note(s)
Child codes10

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)