Nontraumatic subarachnoid hemorrhage (I60) ICD-10-CM
The I60 code range covers nontraumatic subarachnoid hemorrhage with 23 ICD-10-CM diagnosis codes. 18 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
- code, if known, to indicate National Institutes of Health Stroke Scale NIHSS score R29.7
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- syphilitic ruptured cerebral aneurysm A52.05
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
- sequelae of subarachnoid hemorrhage I69.0
Codes in the I60 Range 23 codes · 18 billable
- I60 Nontraumatic subarachnoid hemorrhageNon-billable
- I60.0 Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcationNon-billable
- I60.00 Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation
- I60.01 Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation
- I60.02 Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation
- I60.1 Nontraumatic subarachnoid hemorrhage from middle cerebral arteryNon-billable
- I60.10 Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery
- I60.11 Nontraumatic subarachnoid hemorrhage from right middle cerebral artery
- I60.12 Nontraumatic subarachnoid hemorrhage from left middle cerebral artery
- I60.2 Nontraumatic subarachnoid hemorrhage from anterior communicating artery
- I60.3 Nontraumatic subarachnoid hemorrhage from posterior communicating arteryNon-billable
- I60.30 Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery
- I60.31 Nontraumatic subarachnoid hemorrhage from right posterior communicating artery
- I60.32 Nontraumatic subarachnoid hemorrhage from left posterior communicating artery
- I60.4 Nontraumatic subarachnoid hemorrhage from basilar artery
- I60.5 Nontraumatic subarachnoid hemorrhage from vertebral arteryNon-billable
- I60.50 Nontraumatic subarachnoid hemorrhage from unspecified vertebral artery
- I60.51 Nontraumatic subarachnoid hemorrhage from right vertebral artery
- I60.52 Nontraumatic subarachnoid hemorrhage from left vertebral artery
- I60.6 Nontraumatic subarachnoid hemorrhage from other intracranial arteries
- I60.7 Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
- I60.8 Other nontraumatic subarachnoid hemorrhage
- I60.9 Nontraumatic subarachnoid hemorrhage, unspecified
About the I60 Code Range
Subarachnoid hemorrhage means bleeding in the subarachnoid space. I60 describes this bleeding when it is not caused by trauma.
The subdivisions distinguish the artery where the bleeding starts: the carotid siphon and bifurcation, middle cerebral, anterior or posterior communicating, basilar, vertebral, or another artery inside the skull. For the carotid siphon and bifurcation, middle cerebral, posterior communicating, and vertebral arteries, further subdivisions specify right, left, or an unspecified side. Separate codes describe bleeding from an unspecified artery inside the skull, another nontraumatic subarachnoid hemorrhage, or one with no further detail.
Questions About This Page
How many billable codes are in the I60 range?
Of the 23 codes in this range, 18 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the I60 range classify?
The range classifies nontraumatic subarachnoid hemorrhage. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
