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v1.0.0
ICD-10 Guide
ICD-10 CodesI15.0

I15.0

Billable

Renovascular hypertension

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 I15.0 is a billable code used to indicate a diagnosis of renovascular hypertension.

Key Diagnostic Point:

Renovascular hypertension is a form of secondary hypertension caused by narrowing of the renal arteries, which can lead to decreased blood flow to the kidneys and subsequent activation of the renin-angiotensin-aldosterone system (RAAS). Clinically, patients may present with resistant hypertension, often requiring multiple antihypertensive medications to control blood pressure. The anatomy involved includes the renal arteries, which supply blood to the kidneys, and any stenosis or occlusion can significantly impact renal function and systemic blood pressure. Disease progression can lead to chronic kidney disease (CKD) if left untreated, as the kidneys are unable to adequately filter blood due to reduced perfusion. Diagnostic considerations include imaging studies such as Doppler ultrasound, CT angiography, or MR angiography to assess renal artery patency and blood flow. Laboratory tests may also be performed to evaluate kidney function and rule out other causes of hypertension.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and laboratory tests for confirmation.
  • Treatment complexity: May involve multiple medications and potential surgical interventions.
  • Documentation requirements: Detailed clinical history and imaging results are necessary.
  • Coding specificity: Requires accurate identification of the cause of hypertension.

Audit Risk Factors

  • Common coding errors: Misclassification of primary vs. secondary hypertension.
  • Documentation gaps: Incomplete records regarding imaging and treatment plans.
  • Billing challenges: Potential denials if the underlying cause is not well-documented.

Specialty Focus

Medical Specialties

Cardiology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Nephrology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Renovascular hypertension significantly impacts clinical outcomes, as it is often associated with poor blood pressure control and increased risk of cardiovascular events. The condition affects a notable portion of the hypertensive population, particularly in older adults and those with atherosclerotic disease. Understanding and managing renovascular hypertension is crucial for improving patient quality of life, reducing healthcare utilization, and addressing population health concerns related to hypertension and kidney disease.

ICD-9 vs ICD-10

Renovascular hypertension significantly impacts clinical outcomes, as it is often associated with poor blood pressure control and increased risk of cardiovascular events. The condition affects a notable portion of the hypertensive population, particularly in older adults and those with atherosclerotic disease. Understanding and managing renovascular hypertension is crucial for improving patient quality of life, reducing healthcare utilization, and addressing population health concerns related to hypertension and kidney disease.

Reimbursement & Billing Impact

Reimbursement considerations include the necessity of imaging studies and any treatments provided. Common denials may arise from insufficient documentation or failure to demonstrate the medical necessity of procedures. Best practices include maintaining clear records of patient history, imaging results, and treatment plans to support the diagnosis and ensure appropriate reimbursement.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by I15.0?

I15.0 specifically covers renovascular hypertension, which is primarily caused by renal artery stenosis. It may also include hypertension due to other vascular abnormalities affecting renal blood flow.

When should I15.0 be used instead of related codes?

I15.0 should be used when hypertension is specifically due to renal artery involvement, as opposed to primary hypertension (I10) or hypertension due to other secondary causes like endocrine disorders.

What documentation supports I15.0?

Documentation should include a thorough clinical history, results from imaging studies confirming renal artery stenosis, and details of any interventions or treatments provided.