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I71.4
ICD-10-CM
Infrarenal Abdominal Aortic Aneurysm

Find information on infrarenal abdominal aortic aneurysm diagnosis, including clinical documentation requirements, ICD-10 codes (I71.4), medical coding guidelines, and healthcare resources. Learn about AAA screening, symptoms, treatment options, and risk factors. This resource provides essential information for healthcare professionals, coders, and patients seeking to understand infrarenal abdominal aortic aneurysms.

Also known as

Infrarenal AAA
Abdominal Aortic Aneurysm below Renal Arteries

Diagnosis Snapshot

Key Facts
  • Definition : Localized widening of the abdominal aorta below the renal arteries.
  • Clinical Signs : Often asymptomatic. May present with pulsating abdominal mass, back pain, or abdominal pain.
  • Common Settings : Detected incidentally on imaging (CT, ultrasound) or during routine physical exam.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC I71.4 Coding
I71.4

Aneurysm of abdominal aorta

Infrarenal abdominal aortic aneurysm.

I71.3

Aneurysm of iliac artery

Aneurysm affecting the iliac arteries.

I77.1

Aorto-iliac occlusive disease

Blockage affecting aorta and iliac arteries.

I70.0

Atherosclerosis of aorta

Hardening/narrowing of the aorta.

Code-Specific Guidance

Decision Tree for

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

Is the aneurysm ruptured?

  • Yes

    Is it symptomatic?

  • No

    Is it symptomatic?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Infrarenal AAA
Thoracoabdominal Aneurysm
Abdominal Aortic Aneurysm

Documentation Best Practices

Documentation Checklist
  • Document aneurysm size (cm)
  • Infrarenal location confirmed by imaging
  • Symptoms (if present): e.g., back pain, pulsatile mass
  • Imaging modality: e.g., ultrasound, CT, MRI
  • Differential diagnoses considered and ruled out

Coding and Audit Risks

Common Risks
  • Inaccurate Size Documentation

    Missing or unclear aneurysm size in documentation impacts accurate ICD-10 coding (e.g., I71.4 vs. I71.5) and appropriate care planning.

  • Rupture vs. Symptomatic

    Confusing rupture (I71.3) with symptomatic (I71.4, I71.5) leads to incorrect coding, affecting quality metrics and reimbursement.

  • Unspecified Location

    Lack of clear documentation specifying infrarenal location can lead to coding errors and impact clinical pathway selection.

Mitigation Tips

Best Practices
  • Document precise aneurysm location, size using ICD-10-CM I71.4, maximize reimbursement.
  • Capture symptom details (back pain, pulsating mass) for accurate severity coding, HCC risk adjustment.
  • Ensure complete imaging reports (ultrasound, CT) are linked to diagnosis for compliance audits.
  • Query physician for clarification if documentation lacks specificity for optimal CDI, coding accuracy.
  • Regularly review coding guidelines for AAA, ensure compliant billing, avoid denials, optimize revenue.

Clinical Decision Support

Checklist
  • 1. Palpable pulsatile abdominal mass? Document size.
  • 2. Order abdominal ultrasound: ICD-10 I71.4, CPT 76776
  • 3. >3cm diameter confirms AAA. Document location, morphology.
  • 4. Assess comorbidities (smoking, HTN) impacting risk.
  • 5. Plan: Size-based surveillance/intervention. Informed consent.

Reimbursement and Quality Metrics

Impact Summary
  • Infrarenal Abdominal Aortic Aneurysm reimbursement hinges on accurate ICD-10 coding (I71.4) and proper documentation for optimal payer reimbursement.
  • Quality metrics like aneurysm repair time, complications, and readmission rates impact hospital rankings and value-based payments.
  • Thorough documentation of aneurysm size, location, and symptoms is crucial for accurate coding and appropriate DRG assignment.
  • Timely and accurate coding of pre-operative imaging and interventions (e.g., EVAR, open repair) maximizes reimbursement potential.

Streamline Your Medical Coding

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

Quick Tips

Practical Coding Tips
  • Code I71.4 for infrarenal AAA
  • Document aneurysm size, location
  • Specify if symptomatic or ruptured
  • Query physician for unclear documentation
  • Consider I71.3 for juxtarenal AAA

Documentation Templates

Patient presents with complaints concerning infrarenal abdominal aortic aneurysm (AAA).  Presenting symptoms include (but are not limited to) abdominal pain, back pain, pulsating abdominal mass, and in some cases, lower extremity pain.  Patient history includes [Insert relevant medical history, including risk factors such as smoking, hypertension, hyperlipidemia, family history of AAA, connective tissue disorders, and age].  Physical examination reveals [Insert physical exam findings, including presence or absence of palpable pulsatile mass, abdominal bruit, femoral pulses].  Diagnostic imaging, including abdominal ultrasound, CT angiogram, or MRI angiogram, confirms the presence of an infrarenal AAA measuring [Insert aneurysm diameter].  The aneurysm is located [Describe the anatomical location of the aneurysm in relation to the renal arteries].  Differential diagnoses considered include other causes of abdominal pain, such as renal colic, diverticulitis, and mesenteric ischemia.  Assessment confirms the diagnosis of infrarenal abdominal aortic aneurysm.  Treatment plan includes [Describe the treatment plan, including surveillance, medical management for risk factor control (e.g., blood pressure management, smoking cessation), or surgical intervention (e.g., open repair, endovascular aneurysm repair EVAR)].  The patient was counseled on the risks and benefits of each treatment option.  Follow-up is scheduled to monitor aneurysm size and symptoms.  ICD-10 code I71.4 (Abdominal aortic aneurysm, ruptured) or I71.3 (Abdominal aortic aneurysm, without rupture) is applicable based on rupture status.  CPT codes for relevant procedures, such as ultrasound, CT angiography, or surgical repair, will be documented separately. Patient education materials regarding abdominal aortic aneurysm management were provided.