Modifier 27
Multiple outpatient hospital E/M encounters on the same date
Modifier 27 FAQ
What does modifier 27 mean? +
Multiple outpatient hospital E/M encounters on the same date
When should I use modifier 27? +
Hospital outpatient settings when a patient has multiple E/M encounters on the same day with different providers.
When should I NOT use modifier 27? +
Not for physician billing. This is a facility/hospital modifier.
What documentation is required for modifier 27? +
Complete chart documentation supporting the modifier's clinical or billing rationale.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Related Modifiers
Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team