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I60.4

✓ Billable

Nontraumatic subarachnoid hemorrhage from basilar artery

Diseases of the circulatory system (I00-I99)

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❌ Excludes1

inherited from I60

Rules from parent category I60: Nontraumatic subarachnoid hemorrhage

  • • syphilitic ruptured cerebral aneurysm (A52.05)

⚠️ Excludes2

inherited from I60

Rules from parent category I60: Nontraumatic subarachnoid hemorrhage

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

📋 Code Instructions

from I60
  • • code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)

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Code Information

CodeI60.4
BillableYes
ParentI60
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)