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Home/Diagnosis/ICD-10 Coding for Transient Cerebral Ischemia

ICD-10 Coding for Transient Cerebral Ischemia

G45.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for transient cerebral ischemia includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Transient Ischemic Attack
TIA
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Key Information: ICD-10 Coding for Transient Cerebral Ischemia

Essential facts and insights about ICD-10 Coding for Transient Cerebral Ischemia

Use ICD-10 code G45.9 for transient ischemic attack, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Transient ischemic attack, unspecified

Billable Code
G45.9
Billable

Diagnostic Criteria

clinical_criteria:
  • • Symptoms resolve within 24 hours
  • • Negative MRI-DWI for acute infarct

Applicable To

  • • TIA
  • • Transient cerebral ischemia

Important Notes

  • • Ensure documentation specifies symptom resolution and negative imaging to avoid misclassification.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z86.73

Personal history of TIA and cerebral infarction without residual deficits

Use to document a history of TIA without current deficits.

Frequently Asked Questions

What is the ICD-10 code for transient cerebral ischemia?

The ICD-10 code for transient cerebral ischemia is G45.9, used for unspecified transient ischemic attacks when symptoms resolve within 24 hours and imaging is negative for infarction.

How to differentiate between TIA and stroke in coding?

Differentiate TIA (G45.9) from stroke (I63.9) by confirming symptom resolution within 24 hours and negative imaging for infarction.

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