Yes, and it is one of the things twenty minutes is genuinely useful for. Wanting a second view is not a criticism of the first one — it is a reasonable response to advice you did not have time to ask questions about.
What to bring
- Any results you have, including the actual numbers rather than "they said it was normal". A result inside the reference range is not always the end of the story
- Letters from any specialist you have seen
- A list of your medication, including anything bought over the counter and any supplements
- What you were told, and what you were not sure about
You can request your own records from your GP practice free of charge, and the NHS App gives many people access directly.
What a second opinion can and cannot do
It can explain what a result means in your context, identify something that has not been considered, and tell you plainly whether the original advice looks sound — including when it does.
It cannot override a specialist who has examined you, or get you an NHS referral. Where the first opinion was right, we will say so. That is a legitimate outcome and often a reassuring one.