I60.02

Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 13 never code together

I60code

Excludes1

syphilitic ruptured cerebral aneurysm (A52.05)A52.05

Excludes2

sequelae of subarachnoid hemorrhage (I69.0-)I69.0-

I60-I69block

Excludes1

traumatic intracranial hemorrhage (S06.-)S06.-

I00-I99chapter

Excludes2

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

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 9

I60code

Use additional code

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

I60-I69block

Use additional code

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

Index entries leading here 2

Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
- carotid artery (common) (external) I72.0
  - ruptured into brain I60.0
Hemorrhage, hemorrhagic (concealed) R58
- intracranial (nontraumatic) I62.9
  - subarachnoid (nontraumatic) (from) I60.9
    - intracranial (cerebral) artery I60.7
      - carotid siphon and bifurcation I60.0

Alongside this code 2 same parent — I60.0

I60.00 Ntrm subarach hemorrhage from unsp carotid siphon and bifurc I60.01 Ntrm subarach hemor from right carotid siphon and bifurc

Medications 1

4 Subarachnoid Hemorrhage drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC99 CMS28HCC248 ESRD21HCC99 ESRD24HCC99

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: I60.0
Block: I60-I69
Siblings: 2

Present FY2024–FY2027.