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Type 1 diabetes in adults: diagnosis and management

NICE guideline [NG17] Published: 26 August 2015 Last updated: 17 August 2022

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  • Information for the public
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  • Type 1 diabetes in adults: the care you should expect
  • Diagnosing type 1 diabetes
  • Your diabetes care team
  • Planning your early care
  • What your diabetes care team will do
  • Learning more about type 1 diabetes
  • Using insulin
  • Checking your own blood glucose, and target levels
  • Having your blood glucose checked: HbA1c
  • Diet and exercise
  • Hypos
  • Diabetic ketoacidosis
  • Pancreas or islet transplant
  • Long-term complications
  • Eye damage
  • Gum disease
  • Nerve problems
  • Foot problems
  • Kidney disease
  • Cardiovascular disease
  • High blood pressure
  • Care when you are in hospital
  • Terms explained
  • Where can I find out more?
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Diagnosing type 1 diabetes

Diagnosing type 1 diabetes

If your doctor thinks you might have type 1 diabetes, they will ask you about your symptoms. You should have urine and blood tests to check for 'markers' of diabetes – for example, glucose and ketones.

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