Complete ICD-10-CM coding and documentation guide for icd-10 coding for internal carotid artery stenosis includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Internal Carotid Artery Stenosis
Use ICD-10 code I65.21 for stenosis of right carotid artery, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Cerebral infarction due to stenosis of right carotid artery
Use if a stroke is caused by the stenosis.
Cerebral infarction due to stenosis of left carotid artery
Use if a stroke is caused by the stenosis.
Cerebral infarction due to stenosis of bilateral carotid arteries
Use if a stroke is caused by the stenosis.
The ICD-10 code for nontraumatic stenosis of the right internal carotid artery is I65.21.
Documentation should specify laterality, degree of stenosis, and include PSV values from imaging to support accurate coding.