Proposed OPPS changes for 2008 may threaten observation units services.

If you have an observation unit in your facility or your hospital is considering one, here are some things you should do in response to the proposed outpatient prospective payment rule for 2008: Understand your payer mix and the difference your unit has made in charges and length of stay, so you can make a strong case to management. Study the literature that shows observation units are a best practice. Make your opinion known in public venues where comments are called for.