CPT Modifier 78

Published 02/14/2023

Description
Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period.

Guidelines and Instructions
Submit this modifier to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure) when the subsequent procedure is related to the first and requires the use of an operating or procedure room.

  • This modifier may only be submitted with surgery codes. For E/M services performed in the global period of a surgery, refer to CPT® modifiers 24, 25 and 57. 
  • An operating room for this purpose is defined as a place of service specifically equipped and staffed for the sole purpose of performing procedures. The term includes a cardiac catheterization suite, a laser suite and an endoscopy suite. It does not include a patient's room, a minor treatment room, a recovery room or an intensive care unit unless the patient's condition was so critical there would be insufficient time for transportation to an operating room.
  • No additional documentation is required with the claim. Supporting documentation must be maintained in the patient's medical record. The documentation must substantiate that the surgeries are related and that the subsequent surgery required a return to the operating room.
  • If the subsequent surgery is unrelated to the initial surgery and both are performed by the same surgeon, refer to CPT® modifier 79
  • If the subsequent surgery is related to the initial surgery but does not require a return to the operating room, and both are performed by the same surgeon, the subsequent surgery cannot be submitted separately. The global fee for the initial surgery includes additional related surgical procedures that do not require a return to the operating room.
  • If a (subsequent) bilateral procedure requires a return to the operating room after the initial surgery and the bilateral indicator in the Medicare Physician Fee Schedule Database (MPFSDB) is 1 or 2, do not submit CPT® modifier 50. CPT® modifiers 50 and 78 cannot be submitted for the same service. Bilateral rules are not applicable when CPT® modifier 78 applies. 

Do not submit this modifier on assistant surgery services because global surgery rules do not apply to assistants. Services submitted with HCPCS modifier AS or CPT® modifier 80, 81 or 82 in addition to this modifier will be "returned as unprocessable" with remark code MA130. This modifier should be removed and the service(s) resubmitted with HCPCS modifier AS or CPT® modifier 80, 81 or 82.

Payment

  • The allowed amount for procedure codes that have 10 or 90 global days on the MPFSDB is based on the intra-operative percentage displayed on the MPFSDB. The procedure's fee schedule amount is multiplied by the percentage and rounded to the nearest cent.
  • The allowed amount for procedure codes that have 0 global days on the MPFSDB is based on the full fee schedule amount

To determine the global period of a surgery, refer to the MPFSDB.

  • Access the database directly from the CMS website
    • Select Physician Fee Schedule Search from the bottom of the web page
    • Under Type of Information, select Payment Policy Indicators.
    • Refer to the Global column heading
  • 000 corresponds to endoscopic or minor procedure with related preoperative and postoperative relative value units on the day of the procedure only, included in the fee schedule payment amount
  • 010 corresponds to minor procedure with preoperative relative values on the day of the procedure and postoperative values during a 10-day postoperative period included in the fee schedule amount
  • 090 corresponds to major surgery with a one-day preoperative period and 90-day postoperative period included in the fee schedule payment amount
  • MMM corresponds to maternity codes. The usual global period does not apply.
  • XXX corresponds to global concept does not apply
  • YYY corresponds to Palmetto GBA will determine whether the global concept applies and establish a postoperative period if appropriate
  • ZZZ corresponds to code is related to another service ("add-on" code) and is always included in the global period of the other service

Examples for Correct Submission of CPT® Modifier 78
Example 1: A colon resection (CPT® code 44143) was performed on May 26. Complications occurred on the same date, and the patient was returned to the Operating Room to reopen the abdomen (CPT® code 49002) to control bleeding. The outcome is to submit CPT® modifier 78 with CPT® code 49002.

Example 2: Right cataract extraction (CPT® code 66984) was performed on May 1. On June 30, within the post-op period of the cataract removal surgery, a YAG laser capsulotomy (CPT® code 66821) was performed on the right eye. Submit CPT® modifier 78 with CPT® code 66821 since this procedure is related to the prior surgery.

References


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