2018 ICD-10-CM Diagnosis Code I50.9

Heart failure, unspecified

Applicable To
  • Cardiac, heart or myocardial failure NOS
  • Congestive heart disease
  • Congestive heart failure NOS
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (I50.9) and the excluded code together.
  • fluid overload (
    ICD-10-CM Diagnosis Code E87.70

    Fluid overload, unspecified

      2016 2017 2018 Billable/Specific Code
The following code(s) above I50.9 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 I50.9:
  • 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
Approximate Synonyms Clinical Information ICD-10-CM I50.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I50.9 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to I50.9:

ICD-10-CM Codes Adjacent To I50.9
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
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

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