U.S. ICD-10-CM · FY 2027

I50.1 ICD-10-CM Code: Left ventricular failure, unspecified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

I50.1

Left ventricular failure, unspecified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where I50.1 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Other forms of heart disease (I30-I5A)

  3. 3

    Category I50

    Heart failure

  4. 4

    Code I50.1

    Left ventricular failure, unspecified

Documentation details

Notes for this code

Inclusion terms

  • Cardiac asthma
  • Edema of lung with heart disease NOS
  • Edema of lung with heart failure
  • Left heart failure
  • Pulmonary edema with heart disease NOS
  • Pulmonary edema with heart failure

Code first

No “code first” instruction is listed for I50.1.

Use additional code

No “use additional code” instruction is listed for I50.1.

Excludes1

Conditions that should not be reported together with this code.

  • edema of lung without heart disease or heart failure (J81.-)
  • pulmonary edema without heart disease or failure (J81.-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for I50.1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code I50.1 mean?

I50.1 is the FY 2027 U.S. ICD-10-CM code for “Left ventricular failure, unspecified.”

Is I50.1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I50.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is I50.1 located in ICD-10-CM?

I50.1 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I50, Heart failure.

What coding notes are listed for I50.1?

Its listed inclusion terms are Cardiac asthma; Edema of lung with heart disease NOS; Edema of lung with heart failure; Left heart failure; Pulmonary edema with heart disease NOS; Pulmonary edema with heart failure. No code-first instruction is listed. Excludes1 notes: edema of lung without heart disease or heart failure (J81.-); pulmonary edema without heart disease or failure (J81.-). No Excludes2 note is listed.

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