2020 ICD-10-CM Diagnosis Code I35.8

Other nonrheumatic aortic valve disorders

    2016 2017 2018 2019 2020 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 2020 edition of ICD-10-CM I35.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of I35.8 - other international versions of ICD-10 I35.8 may differ.
The following code(s) above I35.8 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I35.8:
  • I00-I99
    2020 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • transient cerebral ischemic attacks and related syndromes (G45.-)
    Diseases of the circulatory system
  • I35
    ICD-10-CM Diagnosis Code I35

    Nonrheumatic aortic valve disorders

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • aortic valve disorder of unspecified cause but with diseases of mitral and/or tricuspid valve(s) (I08.-)
    • aortic valve disorder specified as congenital (Q23.0, Q23.1)
    • aortic valve disorder specified as rheumatic (I06.-)
    • hypertrophic subaortic stenosis (I42.1)
    Nonrheumatic aortic valve disorders
Approximate Synonyms
  • Aortic valve cusp prolapse
  • Aortic valve endocarditis
  • Aortic valve prolapse
  • Aortic valve sclerosis
  • Infective endocarditis of aortic valve
ICD-10-CM I35.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Convert I35.8 to ICD-9-CM

Code History
  • 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

Diagnosis Index entries containing back-references to I35.8:
  • 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 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 Billable/Specific Code
      Applicable To
      • Aneurysm of aorta
      • Dilatation of aorta
      • Hyaline necrosis of aorta
  • Atheroma, atheromatous I70.90
    - see also Arteriosclerosis
    ICD-10-CM Diagnosis Code I70.90

    Unspecified atherosclerosis

      2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 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 Billable/Specific Code POA Exempt
  • 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 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
  • Rupture, ruptured
    • aorta, aortic I71.8
      ICD-10-CM Diagnosis Code I71.8

      Aortic aneurysm of unspecified site, ruptured

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Rupture of aorta NOS

ICD-10-CM Codes Adjacent To I35.8
I34 Nonrheumatic mitral valve disorders
I34.0 Nonrheumatic mitral (valve) insufficiency
I34.1 Nonrheumatic mitral (valve) prolapse
I34.2 Nonrheumatic mitral (valve) stenosis
I34.8 Other nonrheumatic mitral valve disorders
I34.9 Nonrheumatic mitral valve disorder, unspecified
I35 Nonrheumatic aortic valve disorders
I35.0 Nonrheumatic aortic (valve) stenosis
I35.1 Nonrheumatic aortic (valve) insufficiency
I35.2 Nonrheumatic aortic (valve) stenosis with insufficiency
I35.8 Other nonrheumatic aortic valve disorders
I35.9 Nonrheumatic aortic valve disorder, unspecified
I36 Nonrheumatic tricuspid valve disorders
I36.0 Nonrheumatic tricuspid (valve) stenosis
I36.1 Nonrheumatic tricuspid (valve) insufficiency
I36.2 Nonrheumatic tricuspid (valve) stenosis with insufficiency
I36.8 Other nonrheumatic tricuspid valve disorders
I36.9 Nonrheumatic tricuspid valve disorder, unspecified
I37 Nonrheumatic pulmonary valve disorders
I37.0 Nonrheumatic pulmonary valve stenosis
I37.1 Nonrheumatic pulmonary valve insufficiency

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