I60 – Nontraumatic subarachnoid hemorrhage

ICD-10-CM 2027 diagnosis code · Cerebrovascular diseases

Non-billable header

ICD-10-CM code I60

Code: I60 (claims format: I60)
Description: Nontraumatic subarachnoid hemorrhage
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I60-I69 Cerebrovascular diseases

Billable codes under I60

I60 is a header code and cannot be used on claims. Choose the most specific code:

I60.0 – Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcationHeader (more codes below)
I60.1 – Nontraumatic subarachnoid hemorrhage from middle cerebral arteryHeader (more codes below)
I60.2 – Nontraumatic subarachnoid hemorrhage from anterior communicating arteryBillable
I60.3 – Nontraumatic subarachnoid hemorrhage from posterior communicating arteryHeader (more codes below)
I60.4 – Nontraumatic subarachnoid hemorrhage from basilar arteryBillable
I60.5 – Nontraumatic subarachnoid hemorrhage from vertebral arteryHeader (more codes below)
I60.6 – Nontraumatic subarachnoid hemorrhage from other intracranial arteriesBillable
I60.7 – Nontraumatic subarachnoid hemorrhage from unspecified intracranial arteryBillable
I60.8 – Other nontraumatic subarachnoid hemorrhageBillable
I60.9 – Nontraumatic subarachnoid hemorrhage, unspecifiedBillable

Notes for I60

Excludes1 (not coded here):

syphilitic ruptured cerebral aneurysm (A52.05)

Excludes2 (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-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block I60-I69

Excludes1 (not coded here):

traumatic intracranial hemorrhage (S06.-)

Use additional code:

code to identify presence of:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
hypertension (I10-I1A)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

Frequently asked questions

What is ICD-10 code I60?

I60 is the ICD-10-CM code for nontraumatic subarachnoid hemorrhage, in the block I60-I69 (Cerebrovascular diseases).

Is I60 a billable code?

No. I60 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.