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I60 ICD-10-CM Code: Nontraumatic subarachnoid hemorrhage

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

I60

Nontraumatic subarachnoid hemorrhage

ICD-10-CM diagnosis code · United States clinical modification

Where I60 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Cerebrovascular diseases (I60-I69)

  3. 3

    Category I60

    Nontraumatic subarachnoid hemorrhage

  4. 4

    Code I60

    Nontraumatic subarachnoid hemorrhage

Codes under I60

I60 is a non-billable category. Choose the child code that best matches the documented diagnosis.

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

Notes for this code

Inclusion terms

No inclusion terms are listed for I60.

Code first

No “code first” instruction is listed for I60.

Use additional code

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

Excludes1

Conditions that should not be reported together with this code.

  • syphilitic ruptured cerebral aneurysm (A52.05)

Excludes2

Conditions not included here that may be reported separately when present.

  • sequelae of subarachnoid hemorrhage (I69.0-)

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code I60 mean?

I60 is the FY 2027 U.S. ICD-10-CM code for “Nontraumatic subarachnoid hemorrhage.”

Is I60 a billable or specific ICD-10-CM code?

No. I60 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is I60 located in ICD-10-CM?

I60 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Cerebrovascular diseases (I60-I69) (I60–I69), under category I60, Nontraumatic subarachnoid hemorrhage.

What coding notes are listed for I60?

No inclusion terms are listed for I60 in this reference record. No code-first instruction is listed. Additional-code instructions: code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-). Excludes1 notes: syphilitic ruptured cerebral aneurysm (A52.05). Excludes2 notes: sequelae of subarachnoid hemorrhage (I69.0-).