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ICD-10 Coding for Acute Ischemic Left Middle Cerebral Artery Stroke(I63.412, I48.91, I63.40)

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Learn about the ICD-10 coding and documentation requirements for acute ischemic left middle cerebral artery stroke, including code I63.412.

Also known as:
Left MCA StrokeLeft Middle Cerebral Artery Infarction
Related ICD-10 Code Ranges

Complete code families applicable to Acute Ischemic Left Middle Cerebral Artery Stroke

I00-I99Primary Range

Diseases of the circulatory system

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Primary ICD-10-CM Codes
Cerebral infarction due to embolism of left middle cerebral artery
I63.412Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Cerebral infarction due to thrombosis of left middle cerebral arteryI63.512

Use when imaging confirms thrombosis rather than embolism.

Documentation & Coding Risks

Avoid these common issues when documenting Acute Ischemic Left Middle Cerebral Artery Stroke.

Omitting NIHSS score documentation

Impact

Clinical: Inaccurate assessment of stroke severity., Regulatory: Non-compliance with CMS requirements., Financial: Potential for reduced reimbursement.

Mitigation

Ensure NIHSS score is documented at admission and discharge.

Using unspecified codes when laterality is known

Impact

Reimbursement: May lead to reduced reimbursement due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of clinical data.

Mitigation

Always specify laterality and mechanism if known.

Laterality Documentation

Impact

Failure to document laterality can lead to audit findings.

Mitigation

Implement checklist to ensure laterality is documented.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I63.412.