ICD-10-CM code · FY2027

I50.32 Chronic diastolic (congestive) heart failure

BillableValid for claims as a specific diagnosis code

About I50.32

Code
I50.32
Billable
Yes
Short description
Chronic diastolic (congestive) heart failure
Category
I50 Heart failure
Block
I30-I5A Other forms of heart disease
Chapter
9 Diseases of the circulatory system
Code set
FY2027, October 1, 2026 to September 30, 2027
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Coding notes for I50.32

No notes of its own; the notes below apply from the codes above it.

Also applies, from I50.3 Diastolic (congestive) heart failure

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)

Code also Another code may be needed as well; the order depends on the encounter.

  • end stage heart failure, if applicable (I50.84)

Also applies, from I50 Heart failure

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • cardiac arrest (I46.-)
  • neonatal cardiac failure (P29.0)

Code first Report the underlying condition's code before this one.

  • 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)
Chapter 9 notes (apply to every code in it)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • 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.-)

Related codes in I50.3

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ICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.