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

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from I50 Heart failure

Excludes2 - not included here

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

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)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Worn out
Lassitude
Malfunction
Crisis > heart
Storm, thyroid
Paresis > heart
Toxic > thyroid
Acropachy, thyroid
Acropathy, thyroid
Thyrotoxic > storm
Myasthenia > cordis
Thyrotoxic > crisis
Fatigue > myocardium
Low > output syndrome
Sudden > heart failure
Thyrotoxicosis > heart
Apathetic thyroid storm
Failure, failed > cardiac
Asthenia, asthenic > heart
Asthenia, asthenic > cardiac
Syndrome > cardiorenal Note:
Failure, failed > ventricular
Paralysis, paralytic > cordis
Exhaustion, exhaustive > heart
Paralysis, paralytic > cardiac
Asthenia, asthenic > myocardial
Deficiency, deficient > cardiac
Exhaustion, exhaustive > cardiac
Failure, failed > cardiovascular
Thyrotoxicosis > heart > failure
Deficiency, deficient > myocardial
Asthenia, asthenic > cardiovascular
Failure, failed > cardiorespiratory
Failure, failed > heart > end stage
Insufficiency, insufficient > heart
Failure, failed > ventricular > left
Failure, failed > heart > compensated
Insufficiency, insufficient > cardiac
Syndrome > cardiovascular renal Note:
Thyrotoxic > heart disease or failure

Showing 40 of 65 index phrases.

Codes in the same group

Code	Description	Status
I50.40	Unspecified combined systolic (congestive) and diastolic (congestive) heart failure	Valid
I50.41	Acute combined systolic (congestive) and diastolic (congestive) heart failure	Valid
I50.42	Chronic combined systolic (congestive) and diastolic (congestive) heart failure	Valid