Billable / Specific Code
ICD-10-CM I27.840 is the diagnosis code for Fontan-associated liver disease [FALD]. This code falls under the section "Pulmonary heart disease and diseases of pulmonary circulation" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where I27.840 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I27.840 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I27.840 is the ICD-10-CM diagnosis code for "Fontan-associated liver disease [FALD]". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I27.840 is I27.84 ("Fontan related circulation"). I27.840 provides a more specific classification within this category.
I27.840 is located in Section I26-I28 — "Pulmonary heart disease and diseases of pulmonary circulation" within Chapter 9 of the ICD-10-CM Tabular List.
Use I27.840 when the patients documented diagnosis matches "Fontan-associated liver disease [FALD]" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Fontan-associated liver disease [FALD] is I27.840.
Yes, I27.840 can be used as a primary diagnosis code since it is billable and specific.
I27.840 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I27.840 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.