Can I have blood tests to check everything is alright?

What you need to knowMany requests for check-up blood tests are motivated by a specific health concern or symptoms—addressing these specifically may be the most fruitful approachExplain the limitations of blood tests in asymptomatic people, particularly the rate of false positive resultsThere are potential harms associated with over-testing that are rarely appreciated by patients. A frank discussion about when harms are likely to outweigh benefits, and vice versa, may be helpfulA 34 year old man requests blood tests for “an MOT, just to check I am OK.” He is well, asymptomatic, and takes no medication.Patients often request a general check-up with blood tests. In the UK these are often referred to as an MOT, in allusion to the annual motor vehicle check. Some patients may, however, have unrealistic expectations of medical tests1 and underestimate their potential harms. While agreeing to some blood tests can be an easy way out for…
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