MCMCB Pro
I50.84

I50.84End stage heart failure

Billable / specific codeICD-10-CM

I50.84 is a billable, specific ICD-10-CM code for end stage heart failure. It is valid for submission on a claim.

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

  • the type of heart failure as systolic, diastolic, or combined, if known (I50.2-I50.43)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Stage D heart failure

Risk adjustment

I50.84 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 222 End Stage Heart Failure2.505 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

I50.84 is named in 59 Medicare coverage policies 59 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A53026Billing and Coding: Bariatric Surgery Coverage
  • A53775Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation

How I50.84 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I50.84.

  • Failure, failedheartend stage
  • Failure, failedNote: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failure, into Class I, Class II, Class III, and Class IVstage D

Related codes at this level

Codes that share I50.8. If I50.84 is not quite right, the correct code is usually one of these.

Questions about I50.84

Is I50.84 a billable ICD-10-CM code?
Yes. I50.84 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I50.84 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.