2023

  1. ICD-10-CM Codes
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  2. I00-I99
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  3. I05-I09
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  4. I05-
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  5. 2023 ICD-10-CM Diagnosis Code I05.9

2023 ICD-10-CM Diagnosis Code I05.9

Rheumatic mitral valve disease, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • I05.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM I05.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of I05.9 - other international versions of ICD-10 I05.9 may differ.
Applicable To
  • Rheumatic mitral (valve) disorder (chronic) NOS
The following code(s) above I05.9 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 I05.9:
  • I00-I99
    2023 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
  • I05
    ICD-10-CM Diagnosis Code I05

    Rheumatic mitral valve diseases

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • conditions classifiable to both I05.0 and I05.2-I05.9, whether specified as rheumatic or not
    Type 1 Excludes
    • mitral valve disease specified as nonrheumatic (I34.-)
    • mitral valve disease with aortic and/or tricuspid valve involvement (I08.-)
    Rheumatic mitral valve diseases
Approximate Synonyms
  • Maternal mitral valve disorder in pregnancy antepartum (before childbirth)
  • Mitral valve disorder
  • Mitral valve disorder in childbirth
  • Mitral valve disorder in pregnancy
  • Mitral valve disorder postpartum
  • Postpartum (after childbirth) mitral valve disorder
  • Rheumatic disease of mitral valve
  • Rheumatic mitral disease
ICD-10-CM I05.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 306 Cardiac congenital and valvular disorders with mcc
  • 307 Cardiac congenital and valvular disorders without mcc

Convert I05.9 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to I05.9:
  • Type 1 Excludes: I34
    ICD-10-CM Diagnosis Code I34

    Nonrheumatic mitral valve disorders

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • mitral valve disease (I05.9)
    • mitral valve failure (I05.8)
    • mitral valve stenosis (I05.0)
    • mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valve(s) (I08.-)
    • mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)
    • mitral valve disorder specified as congenital (Q23.2, Q23.9)
    • mitral valve disorder specified as rheumatic (I05.-)
  • Includes: I05
    ICD-10-CM Diagnosis Code I05

    Rheumatic mitral valve diseases

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • conditions classifiable to both I05.0 and I05.2-I05.9, whether specified as rheumatic or not
    Type 1 Excludes
    • mitral valve disease specified as nonrheumatic (I34.-)
    • mitral valve disease with aortic and/or tricuspid valve involvement (I08.-)

Diagnosis Index entries containing back-references to I05.9:
  • Disease, diseased - see also Syndrome
    • heart (organic) I51.9
      ICD-10-CM Diagnosis Code I51.9

      Heart disease, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • mitral (valve) I05.9
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
    ICD-10-CM Diagnosis Code I38

    Endocarditis, valve unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 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)
    • mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) I05.9
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
    ICD-10-CM Diagnosis Code R50.9

    Fever, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Fever NOS
    • Fever of unknown origin [FUO]
    • Fever with chills
    • Fever with rigors
    • Hyperpyrexia NOS
    • Persistent fever
    • Pyrexia NOS
    • rheumatic (active) (acute) (chronic) (subacute) I00
      ICD-10-CM Diagnosis Code I00

      Rheumatic fever without heart involvement

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Includes
      • arthritis, rheumatic, acute or subacute
      Type 1 Excludes
      • rheumatic fever with heart involvement (I01.0 -I01.9)
      • inactive or quiescent with
        • endocarditis I09.1
          ICD-10-CM Diagnosis Code I09.1

          Rheumatic diseases of endocardium, valve unspecified

            2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
          Applicable To
          • Rheumatic endocarditis (chronic)
          • Rheumatic valvulitis (chronic)
          Type 1 Excludes
          • endocarditis, valve unspecified (I38)
  • Lesion(s) (nontraumatic)
    • mitral I05.9

ICD-10-CM Codes Adjacent To I05.9
I01.8 Other acute rheumatic heart disease
I01.9 Acute rheumatic heart disease, unspecified
I02 Rheumatic chorea
I02.0 Rheumatic chorea with heart involvement
I02.9 Rheumatic chorea without heart involvement
I05 Rheumatic mitral valve diseases
I05.0 Rheumatic mitral stenosis
I05.1 Rheumatic mitral insufficiency
I05.2 Rheumatic mitral stenosis with insufficiency
I05.8 Other rheumatic mitral valve diseases
I05.9 Rheumatic mitral valve disease, unspecified
I06 Rheumatic aortic valve diseases
I06.0 Rheumatic aortic stenosis
I06.1 Rheumatic aortic insufficiency
I06.2 Rheumatic aortic stenosis with insufficiency
I06.8 Other rheumatic aortic valve diseases
I06.9 Rheumatic aortic valve disease, unspecified
I07 Rheumatic tricuspid valve diseases
I07.0 Rheumatic tricuspid stenosis
I07.1 Rheumatic tricuspid insufficiency
I07.2 Rheumatic tricuspid stenosis and insufficiency

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

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