I60.9 is the authoritative medical code for Nontraumatic subarachnoid hemorrhage, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for nontraumatic subarachnoid hemorrhage, unspecified (ICD-10-CM I60.9), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Nontraumatic subarachnoid hemorrhage, unspecified is a billable ICD-10-CM diagnosis code I60.9. Excludes1 (not coded here): syphilitic ruptured cerebral aneurysm A52.05; traumatic intracranial hemorrhage S06.-. 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-; 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I60.9 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- syphilitic ruptured cerebral aneurysm A52.05
- traumatic intracranial hemorrhage S06.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- sequelae of subarachnoid hemorrhage I69.0-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code, if known, to indicate National Institutes of Health Stroke Scale NIHSS score R29.7-
- 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 (FAQ) & Clinical Guidance
What can't be coded together with I60.9?
Per Excludes1 instructions, I60.9 must not be reported with: syphilitic ruptured cerebral aneurysm (A52.05); traumatic intracranial hemorrhage (S06.-).
Can I60.9 be reported alongside related conditions?
Per Excludes2 instructions, I60.9 and the following may both be reported when both are present: sequelae of subarachnoid hemorrhage (I69.0-).
Is an additional code needed with I60.9?
Use additional code(s) to specify: code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-); code to identify presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22).
Codes in This Family (21)
Official ICD-10-CM classifications in the same code family as I60.9, with their registry titles.
- I60 — Nontraumatic subarachnoid hemorrhage
- I60.0 — Nontraumatic subarachnoid hemorrhage from 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 artery
- 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 artery
- 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 artery
- 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
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Hemorrhage, hemorrhagic (concealed), intracranial (nontraumatic), subarachnoid (nontraumatic) (from)
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code I65.9
Occlusion and stenosis of unspecified precerebral artery