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U.S. ICD-10-CM · FY 2027

I27.848 ICD-10-CM Code: Other Fontan-associated condition

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

Code definition

Official description

I27.848

Other Fontan-associated condition

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

Classification

Where I27.848 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)

  3. 3

    Category I27

    Other pulmonary heart diseases

  4. 4

    Subcategory I27.84

    Fontan related circulation

  5. 5

    Code I27.848

    Other Fontan-associated condition

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I27.848.

Code first

No “code first” instruction is listed for I27.848.

Use additional code

  • code to specify the Fontan associated condition

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for I27.848.

Excludes2

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

No Excludes2 note is listed for I27.848.

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 I27.848 mean?

I27.848 is the FY 2027 U.S. ICD-10-CM code for “Other Fontan-associated condition.”

Is I27.848 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I27.848 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 I27.848 located in ICD-10-CM?

I27.848 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Pulmonary heart disease and diseases of pulmonary circulation (I26-I28) (I26–I28), under category I27, Other pulmonary heart diseases and subcategory I27.84, Fontan related circulation.

What coding notes are listed for I27.848?

No inclusion terms are listed for I27.848 in this reference record. No code-first instruction is listed. Additional-code instructions: code to specify the Fontan associated condition. No Excludes1 note is listed. No Excludes2 note is listed.

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