I63.2
Non-Billable

Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries

Non-Billable / Non-Specific Code

What is Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries?

ICD-10-CM I63.2 is the diagnosis code for Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries. This code falls under the section "Cerebrovascular diseases" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for I63.2

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where I63.2 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeI63.2 — Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
Sub-Codes 5 entries
I63.20Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteriesBillableI63.21Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteriesNon-BillableI63.211Cerebral infarction due to unspecified occlusion or stenosis of right vertebral arteryBillableI63.212Cerebral infarction due to unspecified occlusion or stenosis of left vertebral arteryBillableI63.213Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteriesBillableI63.219Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral arteryBillableI63.22Cerebral infarction due to unspecified occlusion or stenosis of basilar arteryBillableI63.23Cerebral infarction due to unspecified occlusion or stenosis of carotid arteriesNon-BillableI63.231Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteriesBillableI63.232Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteriesBillableI63.233Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteriesBillableI63.239Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid arteryBillableI63.29Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteriesBillable
Related Codes

Frequently Asked Questions

Is I63.2 a billable ICD-10-CM code?

No, I63.2 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I63.2 mean?

I63.2 is the ICD-10-CM diagnosis code for "Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of I63.2?

The parent code of I63.2 is I63 ("Cerebral infarction"). I63.2 provides a more specific classification within this category.

What section is I63.2 in?

I63.2 is located in Section I60-I69 — "Cerebrovascular diseases" within Chapter 9 of the ICD-10-CM Tabular List.

What are the sub-codes of I63.2?

I63.2 has 5 sub-code(s) that provide more specific detail: I63.20, I63.21, I63.22, I63.23, I63.29.

When should I use I63.2?

Use I63.2 when the patients documented diagnosis matches "Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries?

The ICD-10-CM code for Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries is I63.2.

Can I63.2 be used for primary diagnosis?

No, I63.2 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I63.2 in?

I63.2 is in Chapter 9 of the ICD-10-CM Tabular List.

Is I63.2 valid for 2026?

Yes, I63.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI63.19Cerebral infarction due to embolism of other precerebral arteryNext →I63.20Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
Code Details
I63.2
Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
Non-Billable / Non-Specific Code
9 — Diseases of the circulatory system (I00-I99)
I60-I69 — Cerebrovascular diseases
2026 ICD-10-CM