Classification of Misdiagnosis Misdiagnosis was classified as Class I, Class II, Class III and Class IV guided by the International Classification of Diseases and related health problems (ICD-11) and the possible effects the final diagnosis had on the management of the patient., Staying Healthy Getting the right diagnosis Diagnostic errors can endanger your health — and even your life. But you can be part of the solution., On this page Do you have a misdiagnosis claim? Types of misdiagnosis claim Brain tumour compensation claims Why choose Clarke Willmott? What our clients say Misdiagnosis FAQs What qualifies as a misdiagnosis claim? Usually when you seek medical attention, the diagnosis you receive is correct and the treatment that follows alleviates the problem. Very occasionally however, a diagnostic mistake , Improving diagnosis in health care is a moral, professional and public health imperative, according to the U.S. National Academy of Medicine. However, little is known about the full scope of harms related to medical misdiagnosis — current estimates range widely. Using novel methods, a team from the Johns Hopkins Armstrong Institute Center for Diagnostic Excellence and partners from the Risk , , .