ICD-10-CM Codes
I00-I99
I60-I69
I67-
2023 ICD-10-CM Diagnosis Code I67.1

2023 ICD-10-CM Diagnosis Code I67.1

Cerebral aneurysm, nonruptured

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

I67.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM I67.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of I67.1 - other international versions of ICD-10 I67.1 may differ.

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
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
2023 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
2023 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-I16)
- 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
Type 2 Excludes
- sequelae of the listed conditions (I69.8)
Other cerebrovascular diseases

Approximate Synonyms

Aneurysm of internal carotid artery
Aneurysm of intracranial portion of internal carotid artery
Aneurysm of intracranial portion of left internal carotid artery
Aneurysm of intracranial portion of right internal carotid artery
Aneurysm of left internal carotid artery
Aneurysm of right internal carotid artery
Aneurysm, internal carotid artery
Carotid cavernous fistula
Carotid cavernous fistula, acquired
Carotid cavernous fistula, spontaneous
Intracranial aneurysm
Left acquired carotid cavernous fistula
Left internal carotid artery aneurysm
Left internal carotid artery aneurysm, intracranial portion
Non-ruptured acquired cerebral aneurysm
Nonruptured acquired cerebral aneurysm
Nonruptured cerebral aneurysm
Right acquired carotid cavernous fistula
Right internal carotid artery aneurysm
Right internal carotid artery aneurysm, intracranial portion

Clinical Information

Congenital or acquired abnormal outpouching of an intracranial blood vessel wall; saccular (berry) aneurysms are the most common variant, and tend to form at arterial branch points near the base of the brain; rupture results in subarachnoid hemorrhage or intracranial hemorrhages; giant aneurysms (>2.5 cm in diameter) may compress adjacent structures, including the oculomotor nerve.

ICD-10-CM I67.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

091 Other disorders of nervous system with mcc
092 Other disorders of nervous system with cc
093 Other disorders of nervous system without cc/mcc

Convert I67.1 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to I67.1:

Type 1 Excludes: I72.0
, I72.0
, I60.7

ICD-10-CM Diagnosis Code I72.0
Aneurysm of carotid artery
Applicable To
- Aneurysm of common carotid artery
- Aneurysm of external carotid artery
- Aneurysm of internal carotid artery, extracranial portion
Type 1 Excludes
- aneurysm of internal carotid artery, intracranial portion (I67.1)
- aneurysm of internal carotid artery NOS (I67.1)
ICD-10-CM Diagnosis Code I72.0
Aneurysm of carotid artery
Applicable To
- Aneurysm of common carotid artery
- Aneurysm of external carotid artery
- Aneurysm of internal carotid artery, extracranial portion
Type 1 Excludes
- aneurysm of internal carotid artery, intracranial portion (I67.1)
- aneurysm of internal carotid artery NOS (I67.1)
ICD-10-CM Diagnosis Code I60.7
Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
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)
Type 2 Excludes: I72
, I77.0

ICD-10-CM Diagnosis Code I72
Other aneurysm
Includes
- aneurysm (cirsoid) (false) (ruptured)
Type 2 Excludes
- acquired aneurysm (I77.0)
- aneurysm (of) aorta (I71.-)
- aneurysm (of) arteriovenous NOS (Q27.3-)
- carotid artery dissection (I77.71)
- cerebral (nonruptured) aneurysm (I67.1)
- coronary aneurysm (I25.4)
- coronary artery dissection (I25.42)
- dissection of artery NEC (I77.79)
- dissection of precerebral artery, congenital (nonruptured) (Q28.1)
- heart aneurysm (I25.3)
- iliac artery dissection (I77.72)
- precerebral artery, congential (nonruptured) (Q28.1)
- pulmonary artery aneurysm (I28.1)
- renal artery dissection (I77.73)
- retinal aneurysm (H35.0)
- ruptured cerebral aneurysm (I60.7)
- varicose aneurysm (I77.0)
- vertebral artery dissection (I77.74)
ICD-10-CM Diagnosis Code I77.0
Arteriovenous fistula, acquired
Applicable To
- Aneurysmal varix
- Arteriovenous aneurysm, acquired
Type 1 Excludes
- arteriovenous aneurysm NOS (Q27.3-)
- presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
- traumatic - see injury of blood vessel by body region
Type 2 Excludes
- cerebral (I67.1)
- coronary (I25.4)

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

Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
ICD-10-CM Diagnosis Code I72.9
Aneurysm of unspecified site
- arteriosclerotic I72.9
  ICD-10-CM Diagnosis Code I72.9
  Aneurysm of unspecified site
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - cerebral I67.1
- arteriovenous (congenital) - see also Malformation, arteriovenous
  - acquired I77.0
    ICD-10-CM Diagnosis Code I77.0
    Arteriovenous fistula, acquired
    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    Aneurysmal varix
    Arteriovenous aneurysm, acquired
    Type 1 Excludes
    arteriovenous aneurysm NOS (Q27.3-)
    presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
    traumatic - see injury of blood vessel by body region
    Type 2 Excludes
    cerebral (I67.1)
    coronary (I25.4)
    - brain I67.1
- berry (congenital) (nonruptured) I67.1
- brain I67.1
  - arteriosclerotic I67.1
  - arteriovenous (congenital) (nonruptured) Q28.2
    ICD-10-CM Diagnosis Code Q28.2
    Arteriovenous malformation of cerebral vessels
    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    Applicable To
    Arteriovenous malformation of brain NOS
    Congenital arteriovenous cerebral aneurysm (nonruptured)
    - acquired I67.1
  - berry (congenital) (nonruptured) I67.1
  - meninges I67.1
  - miliary (congenital) (nonruptured) I67.1
- carotid artery (common) (external) I72.0
  ICD-10-CM Diagnosis Code I72.0
  Aneurysm of carotid artery
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Aneurysm of common carotid artery
  Aneurysm of external carotid artery
  Aneurysm of internal carotid artery, extracranial portion
  Type 1 Excludes
  aneurysm of internal carotid artery, intracranial portion (I67.1)
  aneurysm of internal carotid artery NOS (I67.1)
  - internal (intracranial) I67.1
- cavernous sinus I67.1
- circle of Willis I67.1
- miliary (congenital) I67.1
Fistula (cutaneous) L98.8
ICD-10-CM Diagnosis Code L98.8
Other specified disorders of the skin and subcutaneous tissue
- arteriovenous (acquired) (nonruptured) I77.0
  ICD-10-CM Diagnosis Code I77.0
  Arteriovenous fistula, acquired
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Aneurysmal varix
  Arteriovenous aneurysm, acquired
  Type 1 Excludes
  arteriovenous aneurysm NOS (Q27.3-)
  presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
  traumatic - see injury of blood vessel by body region
  Type 2 Excludes
  cerebral (I67.1)
  coronary (I25.4)
  - brain I67.1
- brain G93.89
  ICD-10-CM Diagnosis Code G93.89
  Other specified disorders of brain
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Postradiation encephalopathy
  - arteriovenous (acquired) I67.1 - see also Fistula, arteriovenous, brain

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.

2023 ICD-10-CM Diagnosis Code I67.1

Cerebral aneurysm, nonruptured

Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery

Diseases of the circulatory system

Cerebrovascular diseases

Other cerebrovascular diseases

Aneurysm of carotid artery

Aneurysm of carotid artery

Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery

Other aneurysm

Arteriovenous fistula, acquired

Aneurysm of unspecified site

Aneurysm of unspecified site

Arteriovenous fistula, acquired

Arteriovenous malformation of cerebral vessels

Aneurysm of carotid artery

Other specified disorders of the skin and subcutaneous tissue

Arteriovenous fistula, acquired

Other specified disorders of brain