FOI 2026/1820

I am writing under the Freedom of Information Act 2000 to request information held by your organisation regarding Type 1 diabetes testing.  Please complete this form with the information you have available.

Q1. Do you provide autoantibody testing for diagnosis of Type 1 diabetes?

Q1a. If yes, please indicate which assays are available either onsite or via referral to another laboratory:

• GAD
• IA-2
• ZnT8
• IAA

Q1b. Does your organisation receive requests for Type 1 diabetes autoantibody testing in individuals without clinically diagnosed diabetes (e.g. screening of at-risk relatives or other asymptomatic individuals)?

☐ Yes
☐ No
☐ Unknown

Q1c. Please provide the number of unique patients tested clinically for the following autoantibodies during:

• Calendar year 2025
• January–March 2026

Please exclude research-only testing where identifiable.

Please provide separate figures for:

• onsite testing
• outsourced/referred testing

If exact patient numbers are not available, please provide the closest available measure (e.g. request numbers or assay volumes) and specify the metric used. Answer table:

Q1d. If an external laboratory is used, please provide:

•        laboratory/provider name
•        location

Q2a. If readily available, please provide the number of unique patients in 2025 and Jan–Mar 2026 who tested positive for:

1. i) one autoantibody
2. ii) two or more autoantibodies

Please exclude research-only testing where possible.

Q2b. Of the unique patients who tested positive, how many were referred through an early stage/asymptomatic screening programme?

Q3. Please provide the average turnaround time over the last 12 months for Type 1 diabetes autoantibody testing:

• onsite testing
• referred testing (if applicable)

1. NHS Greater Manchester is a commissioning organisation and does not undertake/provide autoantibody testing for diagnosis of Type 1 diabetes.

1a.  Not applicable

1b. No

1c. Not applicable

1d. Not applicable

2a. Not applicable

2b. Not applicable

3. Not applicable