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ICD-10 Coding for History of Migraine Headache(Z86.601, Z86.609)

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

Also known as:

Migraine HistoryPast Migraine Episodes

Related ICD-10 Code Ranges

Complete code families applicable to History of Migraine Headache

Z86.601-Z86.609Primary Range

Personal history of diseases of the nervous system

This range includes codes for documenting a history of migraine headaches, specifying types and characteristics.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z86.601Personal history of migraine without auraUse when documenting a patient's past episodes of migraine without aura, impacting current care decisions.
  • Documented history of migraine episodes without aura
  • No current migraine symptoms
Z86.609Personal history of unspecified migraineUse when the type of past migraine episodes is unspecified.
  • Documented history of migraine episodes without specific type
  • No current migraine symptoms

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 migraine headache

Essential facts and insights about History of Migraine Headache

The ICD-10 code for a history of migraine headache without aura is Z86.601. Use this code when documenting past migraine episodes that impact current care.

Primary ICD-10-CM Codes for history of migraine headache

Personal history of migraine without aura
Non-billable Code

Decision Criteria

clinical Criteria

  • No current migraine symptoms

documentation Criteria

  • Detailed history of migraine episodes

Applicable To

  • History of migraine without aura

Excludes

  • Current migraine episode (G43.-)

Clinical Validation Requirements

  • Documented history of migraine episodes without aura
  • No current migraine symptoms

Code-Specific Risks

  • Misuse when current symptoms are present

Coding Notes

  • Ensure no active migraine symptoms are present when using Z86.601.

Ancillary Codes

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

Chronic migraine

G43.7
Use alongside Z86.601 if the patient has a history of chronic migraines.

Differential Codes

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

Migraine, unspecified, not intractable, without status migrainosus

G43.909
Use G43.909 for active migraine episodes without specific characteristics.

Personal history of migraine without aura

Z86.601
Use Z86.601 if the history specifies migraines without aura.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Migraine Headache to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z86.601.

Impact

Clinical: May lead to inappropriate treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials due to insufficient documentation.

Mitigation Strategy

Use detailed templates for documentation, Regular training on documentation standards

Impact

Reimbursement: May lead to reduced reimbursement due to lack of specificity., Compliance: Non-compliance with coding guidelines requiring specificity., Data Quality: Decreases the accuracy of patient records.

Mitigation Strategy

Use the most specific code available, such as Z86.601 for migraines without aura.

Impact

Audits may target insufficiently specific documentation of migraine history.

Mitigation Strategy

Ensure detailed documentation of migraine types and impacts on care.

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 Migraine Headache, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Migraine Headache

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

Patient with a history of migraines presenting for preventive care

Specialty: Primary Care

Required Elements

  • Patient age and gender
  • Detailed migraine history
  • Impact on current care

Example Documentation

HPI: 45yo F with a history of migraines without aura, last episode 6 months ago, presents for preventive care.

Examples: Poor vs. Good Documentation

Poor Documentation Example
PMH: Migraines.
Good Documentation Example
PMH: History of migraines without aura, last episode 6 months ago, impacting current preventive care.
Explanation
The good example provides specific details about the migraine history and its relevance to current care.

Need help with ICD-10 coding for History of Migraine Headache? Ask your questions below.

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