Question: Answer: 2011 adds several new modifiers to your coding arsenal and updates the descriptors for several others you might often use. For example, you can use modifier GU (Waiver of liability statement issued as required by payer policy, routine notice) for dates of service Jan. 1, 2011 and thereafter. You might have times when it's appropriate to report modifier GU instead of the revised standby modifier GA (Waiver of liability statement on file; individual). Plus: In previous years, some payers didn't allow nonphysician providers to report their services with these modifiers since they specifically addressed "physician" care. Updating the descriptors should make it easier for you to report situations represented by modifiers 76, 77, or 78 to your payers.