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ICD-10 Coding for History of Hypertension(Z86.79)

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

Also known as:

History of HTNPast Hypertension

Related ICD-10 Code Ranges

Complete code families applicable to History of Hypertension

Hypertensive diseases

Covers current hypertensive conditions, not history.

Z86.79Primary Range

Personal history of other diseases of the circulatory system

Used for documenting a resolved history of hypertension.

Key Information: ICD-10 code for history of hypertension

Essential facts and insights about History of Hypertension

The ICD-10 code for history of hypertension is Z86.79, used when hypertension is resolved.

Primary ICD-10-CM Code for history of hypertension

Personal history of other diseases of the circulatory system
Billable Code

Decision Criteria

documentation Criteria

  • Provider must document hypertension as resolved.

Applicable To

  • History of hypertension

Excludes

Clinical Validation Requirements

  • Provider documentation confirming resolution of hypertension

Code-Specific Risks

  • Incorrectly used for current hypertension

Coding Notes

  • Ensure provider documentation clearly states hypertension is resolved.

Differential Codes

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

Essential (primary) hypertension

I10
Use I10 for active hypertension, not resolved.

Documentation & Coding Risks

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

Impact

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

Mitigation Strategy

Verify current hypertension status, Review provider notes for resolution confirmation

Impact

Reimbursement: Incorrect reimbursement due to coding errors., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Use I10-I15 codes for active hypertension.

Impact

Using history codes for active conditions.

Mitigation Strategy

Regular training on code differentiation.

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

Documentation Templates for History of Hypertension

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

Resolved Hypertension Documentation

Specialty: Primary Care

Required Elements

  • Patient history
  • Resolution confirmation
  • Current blood pressure status

Example Documentation

Patient has a history of hypertension, now resolved with lifestyle changes.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient had hypertension.
Good Documentation Example
Patient had hypertension, now resolved with lifestyle changes, BP consistently <120/80.
Explanation
The good example provides clarity on resolution and current status.

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

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