Modifier 78
Modifier 78 Description and Billing Use
Plain-language description
Reports a related unplanned return to an operating or procedure room during the postoperative period when applicable.
How modifier 78 is used
Modifier 78 identifies a related, unplanned return to an operating or procedure room by the same physician or qualified professional during the postoperative period. Confirm that the return was related, occurred during the global period, and met the applicable room requirement.
Modifier 78 questions
What does modifier 78 mean?
Modifier 78 reports a related unplanned return to an operating or procedure room during the postoperative period by the same physician or qualified professional.
Does modifier 78 start a new global period?
Do not assume it does. Apply the current global-surgery payment rules and payer instructions to the specific service.
Before reporting this modifier
- 1. Confirm the current official or licensed definition and payer acceptance.
- 2. Identify the exact claim circumstance the modifier communicates.
- 3. Make the code, setting, related services, and medical record consistent.
- 4. Check NCCI, global surgery, component, DME, ABN, or drug rules that apply.
- 5. Do not append a modifier only to force an edit override.
This is a workflow summary, not a licensed CPT definition or claim-specific coding instruction. Verify the code set and payer rule effective for the date of service.