R.I. Gen. Laws § 23-17.27-5: Non-interference with powers of existing healthcare directives.

(a) Nothing in this chapter shall be construed to interfere with the rights of an agent operating under a valid healthcare directive pursuant to chapter 4.10 of title 23 (health care power of attorney), or § 23-4.11-3.1 (medical orders for life sustaining treatment).

(b) A patient may designate a caregiver in an advance directive.