2017/18 ICD-10-CM Diagnosis Code I51

Complications and ill-defined descriptions of heart disease

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I51. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • any condition in
    ICD-10-CM Diagnosis Code I51.4

    Myocarditis, unspecified

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Chronic (interstitial) myocarditis
    • Myocardial fibrosis
    • Myocarditis NOS
    Type 1 Excludes
    • acute or subacute myocarditis (I40.-)
    I51.4-
    ICD-10-CM Diagnosis Code I51.9

    Heart disease, unspecified

      2016 2017 2018 Billable/Specific Code
    I51.9
    due to hypertension (
    ICD-10-CM Diagnosis Code I11
    • I11 Hypertensive heart disease
      • I11.0 Hypertensive heart disease with heart failure...
      • I11.9 Hypertensive heart disease without heart fail...
    I11.-
    )
  • any condition in
    ICD-10-CM Diagnosis Code I51.4

    Myocarditis, unspecified

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Chronic (interstitial) myocarditis
    • Myocardial fibrosis
    • Myocarditis NOS
    Type 1 Excludes
    • acute or subacute myocarditis (I40.-)
    I51.4-
    ICD-10-CM Diagnosis Code I51.9

    Heart disease, unspecified

      2016 2017 2018 Billable/Specific Code
    I51.9
    due to hypertension and chronic kidney disease (
    ICD-10-CM Diagnosis Code I13
    • I13 Hypertensive heart and chronic kidney disease...
      • I13.0 Hypertensive heart and chronic kidney disease...
      • I13.1 Hypertensive heart and chronic kidney disease...
        • I13.10 Hypertensive heart and chronic kidney disease...
        • I13.11 Hypertensive heart and chronic kidney disease...
      • I13.2 Hypertensive heart and chronic kidney disease...
    I13.-
    )
  • heart disease specified as rheumatic (
    ICD-10-CM Diagnosis Code I00

    Rheumatic fever without heart involvement

      2016 2017 2018 Billable/Specific Code
    Includes
    • arthritis, rheumatic, acute or subacute
    Type 1 Excludes
    • rheumatic fever with heart involvement (I01.0 -I01.9)
    I00
    -
    ICD-10-CM Diagnosis Code I09

    Other rheumatic heart diseases

      2016 2017 2018 Non-Billable/Non-Specific Code
    I09
    )
The following code(s) above I51 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 I51:
  • I00-I99
    2018 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
Code History
ICD-10-CM Codes Adjacent To I51
I50.810 …… unspecified
I50.811 Acute right heart failure
I50.812 Chronic right heart failure
I50.813 Acute on chronic right heart failure
I50.814 …… due to left heart failure
I50.82 Biventricular heart failure
I50.83 High output heart failure
I50.84 End stage heart failure
I50.89 Other heart failure
I50.9 Heart failure, unspecified
I51 Complications and ill-defined descriptions of heart disease
I51.0 Cardiac septal defect, acquired
I51.1 Rupture of chordae tendineae, not elsewhere classified
I51.2 Rupture of papillary muscle, not elsewhere classified
I51.3 Intracardiac thrombosis, not elsewhere classified
I51.4 Myocarditis, unspecified
I51.5 Myocardial degeneration
I51.7 Cardiomegaly
I51.8 Other ill-defined heart diseases
I51.81 Takotsubo syndrome
I51.89 Other ill-defined heart diseases

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