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Home/Diagnosis/ICD-10 Coding for Left MCA Stroke

ICD-10 Coding for Left MCA Stroke

I63.512
I63.532
I69.351

Complete ICD-10-CM coding and documentation guide for icd-10 coding for left mca stroke includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Left Middle Cerebral Artery Stroke
Left MCA Infarction
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Key Information: ICD-10 Coding for Left MCA Stroke

Essential facts and insights about ICD-10 Coding for Left MCA Stroke

Use ICD-10 code I63.512 for cerebral infarction due to thrombosis of left middle cerebral artery, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Cerebral infarction due to thrombosis of left middle cerebral artery

Billable Code
I63.512
Billable

Diagnostic Criteria

clinical:
  • • Imaging shows thrombosis in left MCA
documentation:
  • • Documentation specifies thrombosis

Applicable To

  • • Acute left MCA thrombosis

Important Notes

  • • Ensure the documentation specifies thrombosis as the cause.

Cerebral infarction due to embolism of left middle cerebral artery

Billable Code
I63.532
Billable

Diagnostic Criteria

clinical:
  • • CTA/MRA evidence of embolism
documentation:
  • • History of embolic source such as atrial fibrillation

Applicable To

  • • Acute left MCA embolism

Important Notes

  • • Ensure the documentation specifies embolism as the cause.

Hemiplegia and hemiparesis following cerebral infarction affecting right dominant side

Billable Code
I69.351
Billable

Diagnostic Criteria

documentation:
  • • Documentation of persistent right-sided weakness
  • • Linkage to prior left MCA stroke

Applicable To

  • • Residual right-sided hemiplegia post-left MCA stroke

Important Notes

  • • Ensure linkage to the initial stroke event is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

I48.91

Unspecified atrial fibrillation

Use to indicate atrial fibrillation as a contributing factor.

Frequently Asked Questions

What is the ICD-10 code for left MCA stroke?

The ICD-10 code for a left MCA stroke due to thrombosis is I63.512, and for embolism, it is I63.532. Accurate documentation and imaging confirmation are required.

How do you code residual deficits after a left MCA stroke?

Use I69.351 for right-sided hemiplegia following a left MCA stroke. Ensure documentation links deficits to the stroke.

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