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Home/Diagnosis/ICD-10 Coding for Transient Ischemic Attack

ICD-10 Coding for Transient Ischemic Attack

G45.0
G45.1
G45.9

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

Also Known as:
TIA
Mini-stroke
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Key Information: ICD-10 Coding for Transient Ischemic Attack

Essential facts and insights about ICD-10 Coding for Transient Ischemic Attack

Use ICD-10 code G45.0 for transient cerebral ischemic attack, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Transient cerebral ischemic attack

Billable Code
G45.0
Billable

Diagnostic Criteria

  • • Symptoms resolve within 24 hours
  • • Negative imaging for infarction

Applicable To

  • • TIA with complete resolution

Important Notes

  • • Ensure documentation specifies symptom resolution time and imaging results.

TIA with residual symptoms

Billable Code
G45.1
Billable

Diagnostic Criteria

  • • Symptoms persist beyond 24 hours but resolve later
  • • Imaging negative for infarction

Applicable To

  • • TIA with neurologic deficits persisting post-event

Important Notes

  • • Document specific symptoms and their duration.

Unspecified transient cerebral ischemic attack

Billable Code
G45.9
Billable

Diagnostic Criteria

  • • Incomplete clinical details
  • • Symptoms suggest TIA but lack specificity

Applicable To

  • • Unspecified TIA

Important Notes

  • • Avoid use if specific details are available.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z86.73

Personal history of TIA without residuals

Use for follow-up visits after TIA resolution.

R47.81

Aphasia

Use if aphasia persists beyond the TIA event.

Frequently Asked Questions

What is the ICD-10 code for a transient ischemic attack?

The ICD-10 code for a transient ischemic attack is G45.0 for a TIA with complete resolution. Use G45.1 if residual symptoms persist beyond 24 hours.

How should a TIA be documented for coding?

Document the exact time of symptom onset and resolution, specific symptoms, and imaging results to support accurate coding of a TIA.

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