2022 ICD-10-CM Diagnosis Code I50.43

Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • I50.43 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Acute on chronic combined systolic and diastolic hrt fail
  • The 2022 edition of ICD-10-CM I50.43 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of I50.43 - other international versions of ICD-10 I50.43 may differ.
The following code(s) above I50.43 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 I50.43:
  • I00-I99
    2022 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
  • I50
    ICD-10-CM Diagnosis Code I50

    Heart failure

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Code First
    • heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • heart failure due to hypertension (I11.0)
    • heart failure due to hypertension with chronic kidney disease (I13.-)
    • heart failure following surgery (I97.13-)
    • obstetric surgery and procedures (O75.4)
    • rheumatic heart failure (I09.81)
    Type 2 Excludes
    • cardiac arrest (I46.-)
    • neonatal cardiac failure (P29.0)
    Heart failure
  • I50.4
    ICD-10-CM Diagnosis Code I50.4

    Combined systolic (congestive) and diastolic (congestive) heart failure

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Combined systolic and diastolic left ventricular heart failure
    • Heart failure with reduced ejection fraction and diastolic dysfunction
    Code Also
    • end stage heart failure, if applicable (I50.84)
    Combined systolic (congestive) and diastolic (congestive) heart failure
Approximate Synonyms
  • Acute on chronic combined systolic and diastolic heart failure
  • Combined systolic and diastolic heart failure, acute
ICD-10-CM I50.43 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 222 Cardiac defibrillator implant with cardiac catheterization with ami, hf or shock with mcc
  • 223 Cardiac defibrillator implant with cardiac catheterization with ami, hf or shock without mcc
  • 291 Heart failure and shock with mcc
  • 292 Heart failure and shock with cc
  • 293 Heart failure and shock without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert I50.43 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
Code annotations containing back-references to I50.43:
  • Code Also: I50.814
    , I50.82
    , I50.84
    ICD-10-CM Diagnosis Code I50.814

    Right heart failure due to left heart failure

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Right ventricular failure secondary to left ventricular failure
    Code Also
    • the type of left ventricular failure, if known (I50.2-I50.43)
    Type 1 Excludes
    • Right heart failure with but not due to left heart failure (I50.82)
    ICD-10-CM Diagnosis Code I50.82

    Biventricular heart failure

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Code Also
    • the type of left ventricular failure as systolic, diastolic, or combined, if known (I50.2-I50.43)
    ICD-10-CM Diagnosis Code I50.84

    End stage heart failure

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Stage D heart failure
    Code Also
    • the type of heart failure as systolic, diastolic, or combined, if known (I50.2-I50.43)

Diagnosis Index entries containing back-references to I50.43:
  • Failure, failed
    • heart (acute) (senile) (sudden) I50.9
      ICD-10-CM Diagnosis Code I50.9

      Heart failure, unspecified

        2016 2017 2018 2019 2020 2021 2022 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
        • decompensation I50.9
          ICD-10-CM Diagnosis Code I50.9

          Heart failure, unspecified

            2016 2017 2018 2019 2020 2021 2022 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
            • reduced ejection fraction I50.23
              ICD-10-CM Diagnosis Code I50.23

              Acute on chronic systolic (congestive) heart failure

                2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
              • with diastolic dysfunction I50.43
          • combined systolic and diastolic I50.43
      • diastolic (congestive) (left ventricular) I50.30
        ICD-10-CM Diagnosis Code I50.30

        Unspecified diastolic (congestive) heart failure

          2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
        • combined with systolic (congestive) I50.40
          ICD-10-CM Diagnosis Code I50.40

          Unspecified combined systolic (congestive) and diastolic (congestive) heart failure

            2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
          • acute (congestive) I50.41
            ICD-10-CM Diagnosis Code I50.41

            Acute combined systolic (congestive) and diastolic (congestive) heart failure

              2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
            • and I50.43 (on) chronic (congestive)
          • chronic (congestive) I50.42
            ICD-10-CM Diagnosis Code I50.42

            Chronic combined systolic (congestive) and diastolic (congestive) heart failure

              2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
            • and I50.43 (on) acute (congestive)
    • Note: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failure, into Class I, Class II, Class III, and Class IV
      • systolic (congestive) (left ventricular) I50.20
        ICD-10-CM Diagnosis Code I50.20

        Unspecified systolic (congestive) heart failure

          2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
        • combined with diastolic (congestive) I50.40
          ICD-10-CM Diagnosis Code I50.40

          Unspecified combined systolic (congestive) and diastolic (congestive) heart failure

            2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
          • acute (congestive) I50.41
            ICD-10-CM Diagnosis Code I50.41

            Acute combined systolic (congestive) and diastolic (congestive) heart failure

              2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
            • and I50.43 (on) chronic (congestive)
          • chronic (congestive) I50.42
            ICD-10-CM Diagnosis Code I50.42

            Chronic combined systolic (congestive) and diastolic (congestive) heart failure

              2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
            • and I50.43 (on) acute (congestive)

ICD-10-CM Codes Adjacent To I50.43
I50.23 Acute on chronic systolic (congestive) heart failure
I50.3 Diastolic (congestive) heart failure
I50.30 Unspecified diastolic (congestive) heart failure
I50.31 Acute diastolic (congestive) heart failure
I50.32 Chronic diastolic (congestive) heart failure
I50.33 Acute on chronic diastolic (congestive) heart failure
I50.4 Combined systolic (congestive) and diastolic (congestive) heart failure
I50.40 Unspecified combined systolic (congestive) and diastolic (congestive) heart failure
I50.41 Acute combined systolic (congestive) and diastolic (congestive) heart failure
I50.42 Chronic combined systolic (congestive) and diastolic (congestive) heart failure
I50.43 Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
I50.8 Other heart failure
I50.81 Right heart failure
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

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