2017/18 ICD-10-CM Diagnosis Code I50.4

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

Applicable To
  • Combined systolic and diastolic left ventricular heart failure
  • Heart failure with reduced ejection fraction and diastolic dysfunction
Code Also
Code Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • end stage heart failure, if applicable (
    ICD-10-CM Diagnosis Code I50.84

    End stage heart failure

      2018 - New Code 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)
    I50.84
    )
The following code(s) above I50.4 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 I50.4:
  • 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
  • I50
    ICD-10-CM Diagnosis Code I50

    Heart failure

      2016 2017 2018 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 1 Excludes
    • neonatal cardiac failure (P29.0)
    Type 2 Excludes
    Heart failure
Code History
Code annotations containing back-references to I50.4:
ICD-10-CM Codes Adjacent To I50.4
I50.2 Systolic (congestive) heart failure
I50.20 Unspecified systolic (congestive) heart failure
I50.21 Acute systolic (congestive) heart failure
I50.22 Chronic systolic (congestive) heart failure
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

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