An encounter form also known as a charge slip, multipurpose billing form, patient service slip, routing form, superbill, or transaction slip.

I think what you are talking about is "slip". Slip is clay in a liquid form. I have commonly used it for attaching pieces of clay.

A borrowers slip form can be used for many things. It's a form showing that you are borrowing something. It can be used in equipment checkouts, for monetary means, etc.

A slip roller rolls sheet metal to form items like stove pipe. If a taper is needed then the material can be "slipped" to form it.

A superbill, transaction slip, multi purpose billing form, charge slip or routing form