ICD-10 I48.91: Unspecified atrial fibrillation
AFib without specifying paroxysmal/persistent/chronic. Use I48.0 (paroxysmal), I48.1 (persistent), I48.2 (chronic) when documented.
Clinical context
AFib without specifying paroxysmal/persistent/chronic. Use I48.0 (paroxysmal), I48.1 (persistent), I48.2 (chronic) when documented.
Documentation requirements
- EKG or rhythm strip
- Pattern (paroxysmal/persistent/permanent)
- CHA2DS2-VASc score for anticoagulation decision
Common related procedures
- 93000 ECG
- 93306 echocardiogram
- 93653 ablation (requires PA)
Common payer denial patterns
- DOAC anticoagulation may need CHA2DS2-VASc ≥1 documentation
- Cardioversion (92961) requires recent attempt at rate control
Frequently asked questions
What does ICD-10 I48.91 mean?
Unspecified atrial fibrillation
When is this code documented?
AFib without specifying paroxysmal/persistent/chronic. Use I48.0 (paroxysmal), I48.1 (persistent), I48.2 (chronic) when documented.
What documentation supports this code?
EKG or rhythm strip; Pattern (paroxysmal/persistent/permanent); CHA2DS2-VASc score for anticoagulation decision.
What are common denials associated with this diagnosis?
DOAC anticoagulation may need CHA2DS2-VASc ≥1 documentation; Cardioversion (92961) requires recent attempt at rate control.
Related diagnoses
Sources
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