Supplemental Table 2.

ICD-10 procedure modifier codes used to identify patients undergoing computer- or robot-assisted THA.

ICD-10 procedure modifier codes
Computer-assisted
8E0YXBZ	Computer-assisted procedure of lower extremity
8E0YXBG	Computer-assisted procedure of lower extremity, with CT
8E0YXBH	Computer-assisted procedure of lower extremity, with MRI
8E0YXBF	Computer-assisted procedure of lower extremity, with fluoroscopy
Robot-assisted
8E0YXCZ	Robot-assisted procedure of lower extremity
8E0Y0CZ	Robot-assisted procedure of lower extremity, open approach