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ICD-10 Coding for History of Transient Ischemic Attack(Z86.73, I69.3-)

Complete ICD-10-CM coding and documentation guide for History of Transient Ischemic Attack. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

History of TIAResolved TIAPast TIA

Related ICD-10 Code Ranges

Complete code families applicable to History of Transient Ischemic Attack

Z86.73Primary Range

Personal history of transient ischemic attack (TIA) and cerebral infarction without residual deficits

This code is used to document a resolved TIA without any residual neurological deficits.

Sequelae of cerebral infarction

Used when there are residual deficits following a cerebral infarction.

Transient ischemic attack, unspecified

Used for acute episodes of TIA.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z86.73Personal history of transient ischemic attack (TIA) and cerebral infarction without residual deficitsUse when the patient has a history of TIA with no residual deficits.
  • No neurological deficits observed
  • Normal imaging post-event
I69.3-Sequelae of cerebral infarctionUse when there are documented residual deficits following a cerebral infarction.
  • Documented residual deficits such as hemiparesis

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for history of TIA

Essential facts and insights about History of Transient Ischemic Attack

The ICD-10 code for a history of transient ischemic attack without residual deficits is Z86.73.

Primary ICD-10-CM Codes for history transient ischemic attack

Personal history of transient ischemic attack (TIA) and cerebral infarction without residual deficits
Billable Code

Decision Criteria

clinical Criteria

  • Patient has no residual neurological deficits post-TIA.

documentation Criteria

  • Documentation must state 'history of TIA without residual deficits'.

Applicable To

  • History of TIA without residuals

Excludes

  • Current TIA (G45.9)
  • Residual deficits post-stroke (I69.3-)

Clinical Validation Requirements

  • No neurological deficits observed
  • Normal imaging post-event

Code-Specific Risks

  • Incorrectly coding as current TIA or stroke

Coding Notes

  • Ensure documentation explicitly states 'history of TIA without residual deficits'.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Essential (primary) hypertension

I10
Use to document hypertension as a risk factor.

Unspecified atrial fibrillation

I48.91
Use to document atrial fibrillation as a risk factor.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Sequelae of cerebral infarction

I69.3-
Use when there are residual deficits post-cerebral infarction.

Transient ischemic attack, unspecified

G45.9
Use for acute TIA episodes.

Personal history of TIA without residual deficits

Z86.73
Use when no residual deficits are present.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Transient Ischemic Attack to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z86.73.

Impact

Clinical: Misrepresentation of patient's current health status., Regulatory: Potential audit issues., Financial: Incorrect billing and reimbursement.

Mitigation Strategy

Review patient history for resolution of symptoms, Ensure documentation supports code selection

Impact

Reimbursement: Incorrect DRG assignment leading to reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Use Z86.73 for history of TIA without residuals.

Impact

Using acute TIA or stroke codes for resolved conditions.

Mitigation Strategy

Regular training on ICD-10 guidelines and documentation review.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for History of Transient Ischemic Attack, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Transient Ischemic Attack

Use these documentation templates to ensure complete and accurate documentation for History of Transient Ischemic Attack. These templates include all required elements for proper coding and billing.

Follow-up visit for resolved TIA

Specialty: Neurology

Required Elements

  • Patient history
  • Neurological exam results
  • Imaging results
  • Current medications

Example Documentation

Patient returns for follow-up of TIA occurring on [date]. No residual weakness, sensory loss, or speech deficits noted on exam. MRI/MRA from [date] showed no acute infarct. Plan: Continue aspirin 81 mg daily.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Hx of TIA.
Good Documentation Example
Patient has a history of TIA on 03/2024 confirmed by MRI; currently asymptomatic with no residual deficits.
Explanation
The good example provides specific dates and confirms the absence of residual deficits, supporting the use of Z86.73.

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