I66.19
BillableOcclusion and stenosis of unsp anterior cerebral artery
Occlusion and stenosis of unspecified anterior cerebral artery
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
- Cerebellar artery thrombosis95459002
- Occlusion and stenosis of anterior cerebral artery195233001
- Asymptomatic occlusion of artery703183007
- Asymptomatic occlusion of anterior cerebral artery703207000
- Asymptomatic stenosis of intracranial artery724427002
- Occlusion of anterior cerebral artery1153543002
- Asymptomatic stenosis of anterior cerebral artery1204162009
- Thrombosis of anterior cerebral artery1269238002
- Anterior cerebral artery embolism429811000124106
- Occlusion and stenosis of anterior cerebral artery without infarction430841000124101
- Thrombosis of anterior inferior cerebellar artery5461000124109
Frequently Asked Questions
What is the ICD-10 code for occlusion and stenosis of unsp anterior cerebral artery?
The ICD-10-CM code for occlusion and stenosis of unsp anterior cerebral artery is I66.19. The full clinical description is "Occlusion and stenosis of unspecified anterior cerebral artery". I66.19 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I66.19 mean?
ICD-10-CM code I66.19 represents "Occlusion and stenosis of unspecified anterior cerebral artery". 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 I66.19 a billable code?
Yes, I66.19 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I66.19 in?
I66.19 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I66.19?
I66.19 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 I66.19?
Yes, when using I66.19 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 I66.19 map to?
I66.19 maps to 11 SNOMED CT concepts: 429811000124106, 703207000, 703183007, 1204162009, 724427002, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I66.19?
I66.19 is linked to 1 UMLS Concept Unique Identifier: C2882433. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.