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ICD-10 Coding for History of Brain Aneurysm(Z86.79, Z82.49)

Complete ICD-10-CM coding and documentation guide for History of Brain Aneurysm. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

History of Cerebral AneurysmPast Brain AneurysmPrevious Cerebral Aneurysm

Related ICD-10 Code Ranges

Complete code families applicable to History of Brain Aneurysm

Z86.79Primary Range

Personal history of other diseases of the circulatory system

Used for documenting a personal history of brain aneurysms.

Family history of ischemic heart disease and other diseases of the circulatory system

Used for documenting a family history of brain aneurysms.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z86.79Personal history of other diseases of the circulatory systemUse when documenting a patient's personal history of a brain aneurysm that has been treated or resolved.
  • Documented history of treated or resolved brain aneurysm
  • Imaging reports confirming aneurysm treatment or resolution
Z82.49Family history of ischemic heart disease and other diseases of the circulatory systemUse when documenting a family history of brain aneurysms.
  • Family history documented in patient records

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 brain aneurysm

Essential facts and insights about History of Brain Aneurysm

The ICD-10 code for a personal history of brain aneurysm is Z86.79, used for documenting a resolved or treated aneurysm.

Primary ICD-10-CM Codes for history of brain aneurysm

Personal history of other diseases of the circulatory system
Billable Code

Decision Criteria

documentation Criteria

  • Explicit mention of 'history of brain aneurysm' in patient records

Applicable To

  • Personal history of brain aneurysm

Excludes

  • Current cerebral aneurysm (I67.1)

Clinical Validation Requirements

  • Documented history of treated or resolved brain aneurysm
  • Imaging reports confirming aneurysm treatment or resolution

Code-Specific Risks

  • Misuse for active aneurysms
  • Incorrectly used without proper documentation of history

Coding Notes

  • Ensure documentation clearly states 'history of' to avoid confusion with active conditions.

Ancillary Codes

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

Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

Z09
Use for follow-up visits post-treatment of a brain aneurysm.

Differential Codes

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

Cerebral aneurysm, nonruptured

I67.1
Use I67.1 for active, nonruptured cerebral aneurysms.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Brain Aneurysm to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z86.79.

Impact

Clinical: Potential misinterpretation of patient's medical history., Regulatory: Non-compliance with documentation standards., Financial: Incorrect coding leading to billing errors.

Mitigation Strategy

Use specific terms like 'coiled' or 'clipped', Document imaging results

Impact

Reimbursement: Incorrect DRG assignment and potential reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records and data reporting.

Mitigation Strategy

Use Z86.79 for history of treated or resolved aneurysms.

Impact

Risk of coding active aneurysms as historical.

Mitigation Strategy

Regular training on documentation and coding guidelines.

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 Brain Aneurysm, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Brain Aneurysm

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

Routine follow-up after aneurysm treatment

Specialty: Neurosurgery

Required Elements

  • Type of aneurysm
  • Location and laterality
  • Treatment details
  • Current status
  • Imaging results

Example Documentation

Patient presents for routine follow-up. History of coiled right MCA aneurysm in 2020. Current imaging shows no recurrence.

Examples: Poor vs. Good Documentation

Poor Documentation Example
History of brain aneurysm.
Good Documentation Example
Personal history of coiled right MCA aneurysm in 2020, no residual deficits.
Explanation
The good example provides specific details about the aneurysm's location, treatment, and current status.

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