I27.84 ICD-10-CM Code: Fontan related circulation
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
I27.84Fontan related circulation
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where I27.84 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
- 3
Category I27
Other pulmonary heart diseases
- 4
Subcategory I27.8
Other specified pulmonary heart diseases
- 5
Code I27.84
Fontan related circulation
More specific choices
Codes under I27.84
I27.84 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for I27.84.
Code first
No “code first” instruction is listed for I27.84.
Use additional code
No “use additional code” instruction is listed for I27.84.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I27.84.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I27.84.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code I27.84 mean?
I27.84 is the FY 2027 U.S. ICD-10-CM code for “Fontan related circulation.”
Is I27.84 a billable or specific ICD-10-CM code?
No. I27.84 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is I27.84 located in ICD-10-CM?
I27.84 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 I27.8, Other specified pulmonary heart diseases.
What coding notes are listed for I27.84?
No inclusion terms are listed for I27.84 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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