Modifier GO
Services delivered under an outpatient occupational therapy plan of care
✅ When to Use Modifier GO
Services delivered under an outpatient occupational therapy plan of care
⛔ When NOT to Use Modifier GO
Do not use for PT (use GP)
Modifier GO FAQ
What does modifier GO mean? +
Services delivered under an outpatient occupational therapy plan of care
When should I use modifier GO? +
Services delivered under an outpatient occupational therapy plan of care
When should I NOT use modifier GO? +
Do not use for PT (use GP)
What documentation is required for modifier GO? +
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