2017/18 ICD-10-CM Diagnosis Code I67.1

Cerebral aneurysm, nonruptured

Applicable To
  • Cerebral aneurysm NOS
  • Cerebral arteriovenous fistula, acquired
  • Internal carotid artery aneurysm, intracranial portion
  • Internal carotid artery aneurysm, NOS
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I67.1. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • congenital cerebral aneurysm, nonruptured (
    ICD-10-CM Diagnosis Code Q28
    • Q28 Other congenital malformations of circulatory...
      • Q28.0 Arteriovenous malformation of precerebral ves...
      • Q28.1 Other malformations of precerebral vessels
      • Q28.2 Arteriovenous malformation of cerebral vessel...
      • Q28.3 Other malformations of cerebral vessels
      • Q28.8 Other specified congenital malformations of c...
      • Q28.9 Congenital malformation of circulatory system...
    Q28.-
    )
  • ruptured cerebral aneurysm (
    ICD-10-CM Diagnosis Code I60.7

    Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Ruptured (congenital) berry aneurysm
    • Ruptured (congenital) cerebral aneurysm
    • Subarachnoid hemorrhage (nontraumatic) from cerebral artery NOS
    • Subarachnoid hemorrhage (nontraumatic) from communicating artery NOS
    Type 1 Excludes
    • berry aneurysm, nonruptured (I67.1)
    I60.7
    )
The following code(s) above I67.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I67.1:
  • I00-I99
    2018 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • 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.-)
    Diseases of the circulatory system
  • I60-I69
    2018 ICD-10-CM Range I60-I69

    Cerebrovascular diseases

    Type 1 Excludes
    • traumatic intracranial hemorrhage (S06.-)
    Use Additional
    • 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-I15)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Cerebrovascular diseases
  • I67
    ICD-10-CM Diagnosis Code I67

    Other cerebrovascular diseases

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • sequelae of the listed conditions (I69.8)
    Other cerebrovascular diseases
Approximate Synonyms Clinical Information ICD-10-CM I67.1 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I67.1 to ICD-9-CM

Code History
Code annotations containing back-references to I67.1:

Diagnosis Index entries containing back-references to I67.1:

ICD-10-CM Codes Adjacent To I67.1
I66.2 Occlusion and stenosis of posterior cerebral artery
I66.21 Occlusion and stenosis of right posterior cerebral artery
I66.22 Occlusion and stenosis of left posterior cerebral artery
I66.23 Occlusion and stenosis of bilateral posterior cerebral arteries
I66.29 Occlusion and stenosis of unspecified posterior cerebral artery
I66.3 Occlusion and stenosis of cerebellar arteries
I66.8 Occlusion and stenosis of other cerebral arteries
I66.9 Occlusion and stenosis of unspecified cerebral artery
I67 Other cerebrovascular diseases
I67.0 Dissection of cerebral arteries, nonruptured
I67.1 Cerebral aneurysm, nonruptured
I67.2 Cerebral atherosclerosis
I67.3 Progressive vascular leukoencephalopathy
I67.4 Hypertensive encephalopathy
I67.5 Moyamoya disease
I67.6 Nonpyogenic thrombosis of intracranial venous system
I67.7 Cerebral arteritis, not elsewhere classified
I67.8 Other specified cerebrovascular diseases
I67.81 Acute cerebrovascular insufficiency
I67.82 Cerebral ischemia
I67.83 Posterior reversible encephalopathy syndrome

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.