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ICD-10 Coding for Uncontrolled High Blood Pressure(I10, I16.0)

Complete ICD-10-CM coding and documentation guide for Uncontrolled High Blood Pressure. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Uncontrolled HypertensionResistant Hypertension

Related ICD-10 Code Ranges

Complete code families applicable to Uncontrolled High Blood Pressure

I10-I15Primary Range

Hypertensive diseases

This range includes essential hypertension and hypertensive heart and renal diseases, which are relevant for uncontrolled hypertension.

Elevated blood pressure reading, without diagnosis of hypertension

Used for elevated blood pressure readings when hypertension is not diagnosed.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I10Essential (primary) hypertensionUse when hypertension is not specified as secondary or with organ damage.
  • BP ≥140/90 despite treatment
  • Documentation of therapeutic regimen
I16.0Hypertensive urgencyUse when severe hypertension is present without organ damage.
  • BP ≥180/120 without end-organ damage

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 uncontrolled high blood pressure

Essential facts and insights about Uncontrolled High Blood Pressure

The ICD-10 code for uncontrolled high blood pressure is I10, covering essential hypertension. Ensure 'uncontrolled' is documented.

Primary ICD-10-CM Codes for uncontrolled high blood pressure

Essential (primary) hypertension
Billable Code

Decision Criteria

clinical Criteria

  • BP ≥140/90 despite treatment

documentation Criteria

  • Document therapeutic regimen and response

Applicable To

  • Hypertension

Excludes

  • Hypertensive heart disease (I11.-)
  • Hypertensive renal disease (I12.-)

Clinical Validation Requirements

  • BP ≥140/90 despite treatment
  • Documentation of therapeutic regimen

Code-Specific Risks

  • Ensure documentation specifies 'uncontrolled' if applicable.

Coding Notes

  • Ensure 'uncontrolled' is documented if applicable.

Ancillary Codes

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

Elevated blood pressure reading, without diagnosis of hypertension

R03.0
Use when elevated BP is noted but hypertension is not diagnosed.

Differential Codes

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

Hypertensive heart disease with heart failure

I11.0
Use when heart failure is documented as due to hypertension.

Hypertensive emergency

I16.1
Use when severe hypertension is accompanied by organ damage.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Uncontrolled High Blood Pressure to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I10.

Impact

Clinical: Inaccurate treatment assessment, Regulatory: Potential audit issues, Financial: Impact on reimbursement

Mitigation Strategy

Use EHR templates, Regularly update medication lists

Impact

Reimbursement: Incorrect DRG assignment, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data

Mitigation Strategy

Use I11.0 if heart failure is due to hypertension.

Impact

Incorrect coding of hypertension can lead to audits.

Mitigation Strategy

Ensure thorough documentation of BP readings and treatment response.

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 Uncontrolled High Blood Pressure, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Uncontrolled High Blood Pressure

Use these documentation templates to ensure complete and accurate documentation for Uncontrolled High Blood Pressure. These templates include all required elements for proper coding and billing.

Primary Care Visit for Uncontrolled Hypertension

Specialty: Primary Care

Required Elements

  • BP readings
  • Medication adherence
  • Target organ assessment

Example Documentation

**Hypertension Status:** Uncontrolled **BP Today:** 168/102 mmHg **Medication Adherence:** Partial **Target Organ Assessment:** No organ damage **Plan:** Intensify regimen

Examples: Poor vs. Good Documentation

Poor Documentation Example
HTN uncontrolled
Good Documentation Example
Resistant HTN (BP 162/94) on amlodipine 10 mg, losartan 100 mg, HCTZ 25 mg.
Explanation
The good example provides specific medication details and BP readings.

Need help with ICD-10 coding for Uncontrolled High Blood Pressure? Ask your questions below.

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