Use of Modifier 58

Staged or Related Procedure or Service by the Same Physician During the Postoperative Period:

The physician may need to indicate that the performance of a procedure or service during the postoperative period was:
a)planned prospectively at the time of the original procedure (staged);
b) more extensive than the original procedure; or
c) for therapy following a diagnostic surgical procedure. This circumstance may be reported by adding the modifier '-58' to the staged or

related procedure.
Note: This modifier is not used to report the treatment of a problem that requires a return to the operating room. See modifier '-78'.


•Primarily appended to surgical codes
•If applied to E&M service codes, the service will be denied for inappropriate modifier
•Use when the second and/or related staged service is performed during the postoperative period of the original or first procedure
•Restarts global postoperative period

*Note: For unplanned, subsequent surgical procedures, see modifier -78; see also -76 or -77 for repeat procedure


•After a partial colon resection, chemotherapy is needed within the 90 day postoperative period
•The patient has poor peripheral venous circulation and an implantable venous access port (with subQ reservoir) is placed for infusion of chemotherapy
•Coding example: 36533-58

CPT code Modifiers
CPT modifier
CPT modifiers
ASC modifier SG
CPT modifier 51
CPT modifier 62 and 66
CPT Modifier 22 and 51
CPT modifier 22 and 24
CPT modifier 52 and 53
CPT modifier 26 and TC
CPT modifier 59
CPT anesthesia modifier codes
ASC modifiers
Modifier 59
CPT modifier 25
CPT modifier 24
CPT modifier 57
CPT modifier 78
CPT Modifier 79
Surgical modifiers
CPT modifier 58

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