2021

  1. ICD-10-CM Codes
    2. ›
  2. I00-I99 Diseases of the circulatory system
    3. ›
  3. I00-I02 Acute rheumatic fever
    4. ›
  4. I01- Rheumatic fever with heart involvement
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code I01.2

2021 ICD-10-CM Diagnosis Code I01.2

Acute rheumatic myocarditis

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • I01.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM I01.2 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of I01.2 - other international versions of ICD-10 I01.2 may differ.
Applicable To
  • Any condition in
    ICD-10-CM Diagnosis Code I00

    Rheumatic fever without heart involvement

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Includes
    • arthritis, rheumatic, acute or subacute
    Type 1 Excludes
    • rheumatic fever with heart involvement (I01.0 -I01.9)
    I00
    with myocarditis
The following code(s) above I01.2 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 I01.2:
  • I00-I99
    2021 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
  • I01
    ICD-10-CM Diagnosis Code I01

    Rheumatic fever with heart involvement

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process.
    Rheumatic fever with heart involvement
ICD-10-CM I01.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 314 Other circulatory system diagnoses with mcc
  • 315 Other circulatory system diagnoses with cc
  • 316 Other circulatory system diagnoses without cc/mcc

Convert I01.2 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
Code annotations containing back-references to I01.2:
  • Type 1 Excludes: I40
    ICD-10-CM Diagnosis Code I40

    Acute myocarditis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • subacute myocarditis
    Type 1 Excludes
    • acute rheumatic myocarditis (I01.2)

Diagnosis Index entries containing back-references to I01.2:
  • Degeneration, degenerative
    • myocardial, myocardium (fatty) (hyaline) (senile) I51.5
      ICD-10-CM Diagnosis Code I51.5

      Myocardial degeneration

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Fatty degeneration of heart or myocardium
      • Myocardial disease
      • Senile degeneration of heart or myocardium
  • Insufficiency, insufficient
    • myocardial, myocardium (with arteriosclerosis) I50.9
      - see also Failure, heart
      ICD-10-CM Diagnosis Code I50.9

      Heart failure, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Applicable To
      • Cardiac, heart or myocardial failure NOS
      • Congestive heart disease
      • Congestive heart failure NOS
      Type 2 Excludes
      • fluid overload unrelated to congestive heart failure (E87.70)
      • with
      • rheumatic I09.0
        ICD-10-CM Diagnosis Code I09.0

        Rheumatic myocarditis

          2016 2017 2018 2019 2020 2021 Billable/Specific Code
        Type 1 Excludes
        • myocarditis not specified as rheumatic (I51.4)
        • active, acute, or subacute I01.2
  • Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) I51.4
    ICD-10-CM Diagnosis Code I51.4

    Myocarditis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Chronic (interstitial) myocarditis
    • Myocardial fibrosis
    • Myocarditis NOS
    Type 1 Excludes
    • acute or subacute myocarditis (I40.-)
    • active I40.9
      ICD-10-CM Diagnosis Code I40.9

      Acute myocarditis, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • acute or subacute (interstitial) I40.9
      ICD-10-CM Diagnosis Code I40.9

      Acute myocarditis, unspecified

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • rheumatic (chronic) (inactive) (with chorea) I09.0
      ICD-10-CM Diagnosis Code I09.0

      Rheumatic myocarditis

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Type 1 Excludes
      • myocarditis not specified as rheumatic (I51.4)
  • Rheumatic (acute) (subacute)
    • myocarditis (chronic) (inactive) (with chorea) I09.0
      ICD-10-CM Diagnosis Code I09.0

      Rheumatic myocarditis

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      Type 1 Excludes
      • myocarditis not specified as rheumatic (I51.4)
      • active or acute I01.2

ICD-10-CM Codes Adjacent To I01.2
H95.811 Postprocedural stenosis of right external ear canal
H95.812 Postprocedural stenosis of left external ear canal
H95.813 …… bilateral
H95.819 Postprocedural stenosis of unspecified external ear canal
H95.88 Other intraoperative complications and disorders of the ear and mastoid process, not elsewhere classified
H95.89 Other postprocedural complications and disorders of the ear and mastoid process, not elsewhere classified
I00 Rheumatic fever without heart involvement
I01 Rheumatic fever with heart involvement
I01.0 Acute rheumatic pericarditis
I01.1 Acute rheumatic endocarditis
I01.2 Acute rheumatic myocarditis
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

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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