I50.2 Systolic (congestive) heart failure

Not billable (header)Chapter 9

Report one of the more specific codes below.

Check coverage with this diagnosis

Codes under this one

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

Instructional notes

Chapter 9

Excludes2Not included here: the patient may have both; report both when both are present.

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.-)

I50

Excludes2Not included here: the patient may have both; report both when both are present.

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

Code firstSequence the underlying condition 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)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

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

Code also

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

Inclusion terms

Heart failure with reduced ejection fraction [HFrEF]
Systolic left ventricular heart failure

Chapter 9: Diseases of the circulatory system · I30-I5A Other forms of heart disease (I30-I5A)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.