Leaving aside the question of whether it's a good idea for people to read the ID in the first place; If your goal is to make it easy for humans to read the ID you shouldn't use any characters that may be mistook for anything else.

I would recommend leaving out: 0, O, o, i, I, l, and 1.

Depending on the font that a user is reading them in, these characters can often look very alike. You are free to use uppercase "L" as it is clearly different from every other letter. Some people may argue that the same is true for lowercase 'o', but in my mind this is a borderline case, and so I would err on the side of caution and leave it out.

However, if for some reason you can be sure that your users will only see the font in a monospace font (usually used in coding), you may not have to have this step, as characters are usually easily distinguishable in monospaced fonts.

If your goal is to make it easy for humans to read the ID you shouldn't use any characters that may be mistook for anything else.

My first recommendation would be to only use uppercase letters and numbers, leaving out O and 0. What is left would be easier to copy due to the consistency.

If that isn't possible, I would then recommend leaving out: 0, O, o, i, I, l, and 1.

However, if for some reason you can be sure that your users will only see the font in a monospace font (usually used in programming), you may not have to have this step, as characters are usually easily distinguishable in monospaced fonts.