I66.03
BillableOcclusion and stenosis of bilateral middle cerebral arteries
Occlusion and stenosis of bilateral middle cerebral arteries
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
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
Use Additional Code
Additional codes that should follow this code
Related Codes(3)
Also Known As / Clinical Terms(26)
SNOMED CT
- Embolism of middle cerebral artery699706000
- Embolus of left middle cerebral artery734964005
- Embolus of right middle cerebral artery734965006
- Bilateral embolism of middle cerebral arteries1153632001
- Embolism of bilateral middle cerebral arteries1153632001
- Embolism of both middle cerebral arteries1153632001
- Bilateral occlusion of middle cerebral arteries329501000119102
- Occlusion of bilateral middle cerebral arteries329501000119102
- Occlusion of both middle cerebral arteries329501000119102
- Middle cerebral artery occlusion434951000124104
- Occlusion of left middle cerebral artery329491000119109
- Occlusion of right middle cerebral artery329481000119106
UMLS
Clinical Terms
- Middle cerebral artery occlusion
- Occlusion of right middle cerebral artery
- Embolus of right middle cerebral artery
- Occlusion of bilateral middle cerebral arteries
- Occlusion of left middle cerebral artery
- Embolus of left middle cerebral artery
- Embolism of both middle cerebral arteries
- Embolism of bilateral middle cerebral arteries
- Occlusion of both middle cerebral arteries
- Bilateral embolism of middle cerebral arteries
- Bilateral occlusion of middle cerebral arteries
- Embolism of middle cerebral artery
Frequently Asked Questions
What is the ICD-10 code for occlusion and stenosis of bilateral middle cerebral arteries?
The ICD-10-CM code for occlusion and stenosis of bilateral middle cerebral arteries is I66.03. The full clinical description is "Occlusion and stenosis of bilateral middle cerebral arteries". I66.03 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I66.03 mean?
ICD-10-CM code I66.03 represents “Occlusion and stenosis of bilateral middle cerebral 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 I66.03 a billable code?
Yes, I66.03 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I66.03 in?
I66.03 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I66.03?
I66.03 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 I66.03?
Yes, when using I66.03, 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 I66.03 map to?
I66.03 maps to 8 SNOMED CT concepts: 1153632001, 329501000119102, 699706000, 734964005, 734965006, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I66.03?
I66.03 is linked to 1 UMLS Concept Unique Identifier: C2882428. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I66.03 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like occlusion and stenosis of bilateral middle cerebral 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 I66.03?
There is no direct ICD-11 mapping available for I66.03 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.