I60

Nontraumatic subarachnoid hemorrhage

FY2027Chapter 9: Diseases of the circulatory system/I60–I69 Cerebrovascular diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

Use additional code
Excludes1
Excludes2

I60 is a non-billable ICD-10-CM code category for nontraumatic subarachnoid hemorrhage. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I60.0 Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation, I60.1 Nontraumatic subarachnoid hemorrhage from middle cerebral artery, I60.2 Nontraumatic subarachnoid hemorrhage from anterior communicating artery, I60.3 Nontraumatic subarachnoid hemorrhage from posterior communicating artery and 6 more. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 11 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

This code

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

Also from chapter/block level (8 notes)

Inherited from I60–I69 Cerebrovascular diseases

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)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code

syphilitic ruptured cerebral aneurysm (A52.05)

Also from chapter/block level (1 note)

Inherited from I60–I69 Cerebrovascular diseases

traumatic intracranial hemorrhage (S06.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code

sequelae of subarachnoid hemorrhage (I69.0-)

Also from chapter/block level (10 notes)

Inherited from Chapter 9 Diseases of the circulatory system

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
systemic connective tissue disorders (M30-M36)
transient cerebral ischemic attacks and related syndromes (G45.-)

More specific codes under I60 10