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)
- traumatic intracranial hemorrhage (S06.-)
- Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5)
Excludes 2
Conditions not included here, but the patient may have both
- 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.-)
Use Additional Code
Additional codes that should follow this code
Also Known As / Clinical Terms
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
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 you should also code: 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-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.
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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.