A medical durable power of attorney lets you name an agent to make medical decisions if you cannot, including consenting to or refusing treatments. A living will addresses end-of-life decisions in specific circumstances but does not appoint a decision-maker. A MOST form translates current medical orders for serious illness into actionable directives for providers. In practice, the MDPOA fills the gap by authorizing a trusted person to respond to unforeseen situations. Colorado recognizes all of these documents within its advance directives framework. The relevant authorities are the MDPOA statute and the state’s advance care planning guidance.