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Responses > Wrong-site Surgery FOI Request

Freedom of Information request Wrong-site Surgery FOI Request

Response published: 27 November 2025

FOI Request

Under the Freedom of Information Act 2000, please can you disclose the following information: 1. Since January 1, 2020, how many incidents have been reported to your Trust involving a wrong-site surgery? Please note that this is any incident falling under the following definition: “A medical error where a procedure is performed on the wrong patient, the wrong body part, or the wrong side of the body.” For each incident, please provide the month, year and the type of surgery involved in the procedure. In addition, please confirm the total number of cases reported between January 1, 2020 and November 7, 2025. 2. How many incidents fell under the definition of a serious incident, in line with the Patient Safety Incident Response Framework (or, prior to that, the Serious Incident Framework)? Please state which cases met this definition 3. How many incidents led to serious, moderate, or slight harm to the patient? 4. What were the causes of wrong-site surgery incidents? If possible, can this be presented in PDF format please?

FOI Response

Freedom of Information Request – Ref: FOI 297-2025

Thank you for your recent Freedom of Information request. Please find our response below.

You asked:

1. Since January 1, 2020, how many incidents have been reported to your Trust involving a wrong-site surgery? Please note that this is any incident falling under the following definition: “A medical error where a procedure is performed on the wrong patient, the wrong body part, or the wrong side of the body.” For each incident, please provide the month, year and the type of surgery involved in the procedure. In addition, please confirm the total number of cases reported between January 1, 2020 and November 7, 2025.

Our response:

One incident, date occurred 19 May 2023, molar tooth extracted in error.

You asked:

2. How many incidents fell under the definition of a serious incident, in line with the Patient Safety Incident Response Framework (or, prior to that, the Serious Incident Framework)? Please state which cases met this definition.

Our response:

Four – 2 clinical and 2 IPC.

You asked:

3. How many incidents led to serious, moderate, or slight harm to the patient?

Our response:

One.

You asked:

4. What were the causes of wrong-site surgery incidents?

Our response:

Not applicable.

Next steps:

Should you have any queries in relation to our response, please do not hesitate to contact us. If you are unhappy with the response you have received in relation to your request and wish to ask us to review our response, you should write to:

Louise Moss
Head of Legal Services / Associate Director of Corporate Governance
c/o Gloucestershire Health and Care NHS Foundation Trust
Edward Jenner Court
1010 Pioneer Avenue
Gloucester Business Park
Brockworth, GL3 4AW
E-mail: louise.moss@ghc.nhs.uk

If you are not content with the outcome of any review, you may apply directly to the Information Commissioner’s Office (ICO) for further advice/guidance. Generally, the ICO will not consider your case unless you have exhausted your enquiries with the Trust which should include considering the use of the Trust’s formal complaints procedure. The ICO can be contacted at: The Information Commissioner’s Office, Wycliffe House, Water Lane, Wilmslow, Cheshire SK9 5AF.