AutoICD API

I66.3

Billable

Occlusion and stenosis of cerebellar arteries

Occlusion and stenosis of cerebellar arteries

Status

Billable / Specific

Block

I60-I69

Parent Code

I66

ICD-11 Mapping

1 equivalent

Coding Notes

Includes

Conditions included under this code

  • embolism of cerebral artery
  • narrowing of cerebral artery
  • obstruction (complete) (partial) of cerebral artery
  • thrombosis of cerebral artery

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Related Codes(5)
I66.0

Occlusion and stenosis of middle cerebral artery

I66.1

Occlusion and stenosis of anterior cerebral artery

I66.2

Occlusion and stenosis of posterior cerebral artery

I66.8

Occlusion and stenosis of other cerebral arteries

BillableI66.9

Occlusion and stenosis of unspecified cerebral artery

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

BD55Asymptomatic stenosis of intracranial or extracranial arteryequivalentPrimary
Also Known As / Clinical Terms(73)

SNOMED CT

UMLS

Clinical Terms

  • Bilateral thrombosis of cerebellar arteries
  • Left cerebellar artery thrombosis
  • Cerebellar artery embolism
  • Occlusion of superior cerebellar artery
  • Cerebellar artery thrombosis
  • Thrombosis of left cerebellar artery
  • Embolus of bilateral cerebellar arteries
  • Occlusive thrombus of right cerebellar artery
  • Right cerebellar artery thrombosis
  • Embolus of left cerebellar artery
  • Posterior inferior cerebellar artery embolism
  • Embolism of both cerebellar arteries
  • Thrombosis of bilateral cerebellar arteries
  • Thrombosis of superior cerebellar artery
  • Superior cerebellar artery embolism
  • Bilateral embolism of cerebellar arteries
  • Occlusion of left cerebellar artery by embolus
  • Bilateral occlusion of cerebellar arteries
  • Stenosis of left cerebellar artery
  • Occlusion of right cerebellar artery
  • Anterior inferior cerebellar artery embolism
  • Occlusion and stenosis of cerebellar arteries (disorder)
  • Occlusion of left cerebellar artery by thrombus
  • Occlusive thrombus of left cerebellar artery
  • Embolism of bilateral cerebellar arteries
  • Occlusion of right cerebellar artery by thrombus
  • Stenosis of right cerebellar artery
  • Occlusion of left cerebellar artery
  • Occlusion of bilateral cerebellar arteries
  • Embolus of right cerebellar artery
  • Thrombosis of both cerebellar arteries
  • Thrombosis of right cerebellar artery
  • Occlusion of both cerebellar arteries
  • Occlusion of right cerebellar artery by embolus
  • Cerebellar artery occlusion
Frequently Asked Questions
What is the ICD-10 code for occlusion and stenosis of cerebellar arteries?

The ICD-10-CM code for occlusion and stenosis of cerebellar arteries is I66.3. The full clinical description is "Occlusion and stenosis of cerebellar arteries". I66.3 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code I66.3 mean?

ICD-10-CM code I66.3 represents “Occlusion and stenosis of cerebellar arteries”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.

Is I66.3 a billable code?

Yes, I66.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is I66.3 in?

I66.3 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).

What codes cannot be used with I66.3?

I66.3 has Excludes1 notes indicating codes that cannot be used together with it, including: traumatic intracranial hemorrhage (S06.-); Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5).

Are additional codes required with I66.3?

Yes, when using I66.3, also report: 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).

What SNOMED CT codes does I66.3 map to?

I66.3 maps to 24 SNOMED CT concepts: 429851000124107, 1155689004, 1153638002, 1269244003, 429831000124100, and 19 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for I66.3?

I66.3 is linked to 1 UMLS Concept Unique Identifier: C0348836. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does I66.3 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like occlusion and stenosis of cerebellar arteries affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of I66.3?

I66.3 maps to the ICD-11 code: BD55 (Asymptomatic stenosis of intracranial or extracranial artery).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.