1. ICD-10-CM Codes
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2. I00-I99 Diseases of the circulatory system
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3. I30-I5A Other forms of heart disease
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4. I35- Nonrheumatic aortic valve disorders
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5. 2022 ICD-10-CM Diagnosis Code I35.8

2022 ICD-10-CM Diagnosis Code I35.8

Other nonrheumatic aortic valve disorders

2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

• I35.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2022 edition of ICD-10-CM I35.8 became effective on October 1, 2021.
• This is the American ICD-10-CM version of I35.8 - other international versions of ICD-10 I35.8 may differ.

• Aortic valve cusp prolapse
• Aortic valve endocarditis
• Aortic valve prolapse
• Aortic valve sclerosis
• Infective endocarditis of aortic valve

• 306 Cardiac congenital and valvular disorders with mcc
• 307 Cardiac congenital and valvular disorders without mcc

Convert I35.8 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
  ICD-10-CM Diagnosis Code I72.9

  Aneurysm of unspecified site

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • aorta, aortic (nonsyphilitic) I71.9
    ICD-10-CM Diagnosis Code I71.9

    Aortic aneurysm of unspecified site, without rupture

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Aneurysm of aorta
    • Dilatation of aorta
    • Hyaline necrosis of aorta
    • valve I35.8 (heart) - see also Endocarditis, aortic
• Atheroma, atheromatous I70.90
  - see also Arteriosclerosis
  ICD-10-CM Diagnosis Code I70.90

  Unspecified atherosclerosis

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
  • aorta, aortic I70.0
    ICD-10-CM Diagnosis Code I70.0

    Atherosclerosis of aorta

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
    • valve I35.8 - see also Endocarditis, aortic
• Deformity Q89.9
  ICD-10-CM Diagnosis Code Q89.9

  Congenital malformation, unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt

  Applicable To

  • Congenital anomaly NOS
  • Congenital deformity NOS
  • aortic
    • cusp or valve (congenital) Q23.8
      ICD-10-CM Diagnosis Code Q23.8

      Other congenital malformations of aortic and mitral valves

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt
      • acquired I35.8 - see also Endocarditis, aortic
• Ectasia, ectasis
  • annuloaortic I35.8
• Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
  ICD-10-CM Diagnosis Code I38

  Endocarditis, valve unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Includes

  • endocarditis (chronic) NOS
  • valvular incompetence NOS
  • valvular insufficiency NOS
  • valvular regurgitation NOS
  • valvular stenosis NOS
  • valvulitis (chronic) NOS

  Type 1 Excludes

  • congenital insufficiency of cardiac valve NOS (Q24.8)
  • congenital stenosis of cardiac valve NOS (Q24.8)
  • endocardial fibroelastosis (I42.4)
  • endocarditis specified as rheumatic (I09.1)
  • aortic (heart) (nonrheumatic) (valve) I35.8
    • arteriosclerotic I35.8
    • specified cause NEC I35.8
• Failure, failed
  • aortic (valve) I35.8
• Rupture, ruptured
  • aorta, aortic I71.8
    ICD-10-CM Diagnosis Code I71.8

    Aortic aneurysm of unspecified site, ruptured

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

    Applicable To

    • Rupture of aorta NOS
    • valve or cusp I35.8 - see also Endocarditis, aortic

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.