2026 ICD-10-CM Diagnosis Code I27.84

Fontan related circulation

ICD-10-CM Code:
I27.84
ICD-10 Code for:
Fontan related circulation
Is Billable?
Not Valid for Submission
Code Navigator:

I27.84 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of fontan related circulation. The code is not specific and is NOT valid for the year 2026 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Fontan related circulation

Non-specific codes like I27.84 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for fontan related circulation:

  • Use I27.840 for Fontan-associated liver disease [FALD] - BILLABLE CODE

  • Use I27.841 for Fontan-associated lymphatic dysfunction - BILLABLE CODE

  • Use I27.848 for Other Fontan-associated condition - BILLABLE CODE

  • Use I27.849 for Fontan related circulation, unspecified - BILLABLE CODE

Code Classification

  • Diseases of the circulatory system
    I00–I99
    • Pulmonary heart disease and diseases of pulmonary circulation
      I26-I28
      • Other pulmonary heart diseases
        I27

Code History

  • FY 2026 - No Change, effective from 10/1/2025 through 9/30/2026