"Errors by machines used to diagnose diabetes mean at least 55,000 people in England will need further blood tests, a BBC investigation has discovered. Some patients have been wrongly diagnosed with type 2 diabetes and even prescribed medication they don't need - and there could be more people affected say NHS England. NHSE has confirmed 16 hospital trusts use the machines, made by Trinity Biotech, which have produced inaccurate test results."
"She was advised to try and lose weight first, sent for eye screening and was later prescribed four tablets of Metformin a day - the maximum dose. In April 2025 she had further blood tests as part of her three month review and was told that she wasn't diabetic, which she assumed was because she had been on Metformin. Later that month though, she was told her blood results might not have been accurate and advised to come off the medication immediately."
Errors in haemoglobin A1C testing machines have led to at least 55,000 people in England being called for further blood tests and prompted concerns about incorrect type 2 diabetes diagnoses. Sixteen hospital trusts use the implicated Trinity Biotech machines, which have produced inaccurate results. NHS England recorded 10,000 more type 2 diagnoses in 2024 than expected, a 4% rise. The MHRA first received reports about the tests in April 2024. Some patients were prescribed medications such as metformin and experienced side effects before being told their results might not have been accurate.
Read at www.bbc.com
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