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I77.1
ICD-10-CM
Subclavian Stenosis

Find information on subclavian stenosis diagnosis, including clinical documentation, ICD-10 codes (I77.1), and CPT codes for angiography and venography. Learn about symptoms, treatment options, and the role of healthcare professionals in managing this vascular condition. This resource provides guidance for accurate medical coding and improved patient care related to subclavian artery stenosis and subclavian vein stenosis. Explore relevant medical terminology, diagnostic criteria, and best practices for documenting subclavian stenosis in clinical settings.

Also known as

Subclavian Artery Stenosis
Stenosis of Subclavian Artery

Diagnosis Snapshot

Key Facts
  • Definition : Narrowing of the subclavian artery, reducing blood flow to the arm and brain.
  • Clinical Signs : Arm pain, weakness, numbness, dizziness, and difference in blood pressure between arms.
  • Common Settings : Outpatient vascular clinic, cardiology, or primary care.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC I77.1 Coding
I77.1

Subclavian artery stenosis

Narrowing of the subclavian artery.

I70-I79

Diseases of arteries, arterioles and capillaries

Covers various arterial diseases including stenosis and occlusion.

I00-I99

Diseases of the circulatory system

Encompasses a wide range of circulatory system disorders.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the subclavian stenosis unilateral or bilateral?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Subclavian artery narrowing
Thoracic outlet syndrome
Axillary artery stenosis

Documentation Best Practices

Documentation Checklist
  • Document symptom laterality (left or right)
  • Specify stenosis location and severity (%)
  • Record diagnostic method (e.g., duplex ultrasound, angiography)
  • Note blood pressure differential between arms
  • Document presence/absence of brachial plexus compression

Coding and Audit Risks

Common Risks
  • Laterality Coding

    Missing or incorrect laterality (right, left, bilateral) for subclavian stenosis impacts reimbursement and data accuracy. CDI can query for clarity.

  • Dominant Arm Impact

    Documenting dominant arm involvement in subclavian stenosis is crucial for accurate coding and severity reflection. Impacts treatment and outcomes.

  • Cause Specificity

    Unspecified etiology vs. atherosclerosis, trauma, etc., affects coding specificity. CDI should query physicians for underlying cause documentation.

Mitigation Tips

Best Practices
  • Document brachial blood pressure differential for accurate diagnosis coding (ICD-10-CM I77.1).
  • Capture duplex ultrasound findings: stenosis percentage, lesion location for CDI of Subclavian Stenosis.
  • Ensure pre-authorization for interventions like angioplasty adhering to payer-specific healthcare compliance.
  • Assess and document symptoms (arm claudication, dizziness) for improved clinical documentation integrity.
  • Correlate symptoms with imaging results for specificity in Subclavian Stenosis diagnosis and compliance.

Clinical Decision Support

Checklist
  • Verify unilateral arm blood pressure difference >20 mmHg
  • Check for diminished unilateral upper extremity pulse
  • Document presence of bruit in supraclavicular fossa
  • Assess for symptoms: arm claudication, dizziness, syncope
  • Review imaging: duplex ultrasound, CTA, or MRA for stenosis

Reimbursement and Quality Metrics

Impact Summary
  • Subclavian Stenosis reimbursement hinges on accurate ICD-10 (I77.1) and CPT coding for angiography, angioplasty, or stenting procedures.
  • Quality metrics impacted: Surgical site infection rate (SSI), post-op complications, readmissions within 30 days.
  • Coding errors leading to claim denials reduce revenue and increase AR days. Focus on specificity with laterality (right, left, bilateral).
  • Hospital reporting accuracy on Subclavian Stenosis impacts quality scores and future reimbursement levels.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Code I70.1 for subclavian stenosis
  • Document laterality (right, left, bilateral)
  • Specify if stenosis is native or graft
  • Query physician if etiology unclear
  • Check for associated brachiocephalic stenosis

Documentation Templates

Subclavian stenosis diagnosed. Patient presents with symptoms suggestive of arterial insufficiency in the affected upper extremity, including arm claudication, pain, weakness, numbness, and coldness.  Symptoms may be exacerbated by exertion or arm elevation.  On physical examination, diminished or absent radial pulse, a blood pressure differential between arms greater than 20 mmHg, and a supraclavicular bruit may be present.  Diagnostic workup included duplex ultrasonography, demonstrating significant stenosis of the subclavian artery, confirming the diagnosis of subclavian artery stenosis.  The patient's medical history includes hypertension and hyperlipidemia, which are risk factors for atherosclerosis and contribute to the development of subclavian stenosis.  Differential diagnosis included thoracic outlet syndrome, peripheral artery disease, and Raynaud's phenomenon.  Treatment plan includes medical management with antiplatelet therapy and statin therapy to address the underlying atherosclerotic disease.  Patient education provided on lifestyle modifications, including smoking cessation and regular exercise.  Follow-up scheduled to monitor symptom progression and assess the need for further intervention, such as angioplasty or surgical bypass, if medical management proves inadequate.  ICD-10 code I77.1, Subclavian artery stenosis, assigned.