The UK T1D Immunotherapy Consortium recently updated their guidance on diagnosing type 1 diabetes (T1D) in adults.   This is particularly important as a large portion of new onset T1D in adults are misdiagnosed as Type 2 diabetes (T2D). An accurate diagnosis matters. It can shape selection and advancement of treatment, understanding of natural disease progression, and expectations around the efficacy of diet and lifestyle. Most importantly, a misdiagnosis can be incredibly frustrating and discouraging for patients. Clinical Features  While there is no single feature that distinguishes T1D from T2D in adults, presence of the following parameters suggest the need…