I48.11
Billable codeLongstanding persistent atrial fibrillation
The ICD-10 code for longstanding persistent atrial fibrillation is I48.11.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I48.19Other persistent atrial fibrillation
- I48.11Longstanding persistent atrial fibrillation
Associated MS-DRGs
I48.11 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.