Incorrect Surgical Events

Identifying Attributes

Care Settings
Hospital Care
Country
United States of America
Publishing Organisation
Centers for Medicare & Medicaid Services (CMS): Ambulatory Surgical Center Quality Reporting (ASCQR) Program
Type of Quality Indicator
Outcome
IOM Quality Dimension
Safety
Domain
Complications and Adverse Events

Defining Attributes

Definition

Percentage of Ambulatory Surgical Centre (ASC) patients who experience a wrong site, side, patient, procedure, or implant event.

Numerator

All ASC admissions experiencing a wrong site, wrong side, wrong patient, wrong procedure, or wrong implant.

Denominator

All ASC admissions.

Exclusions

None

Use of Risk Adjustment
No
Risk Adjustments

None

Stratifications

By hospital and state.

Collection and Reporting Attributes

Type of Data Collection
Electronic/paper chart records
Data Collection Methods

Paper patient medical records

Frequency of Data Collection
Annually
Frequency of Data Collection in Days
365
Reporting Methods

Ambulatory Surgical Centre Quality Measures data is displayed at data.cms.gov

Reporting Frequency
Annually
Reporting Frequency in Days
365
Indicator Has Recommended Targets
No

Source and Reference Attributes

Technical Specifications
Link to Measurement Tools
Quality Indicator Confirmed to be Part of a Program Used to Monitor Quality and Safety of Care Among Older People at a Population-Level between 2012-2022
Yes
Assessed by the Australian Consortium for Aged Care Collaborators as Generally Containing Good Properties (Importance and Scientific Acceptability)
No
Australian Consortium for Aged Care Endorsed
No
Identified by PHARMA-Care Project
No
Upload Date
02 December 2025