Not yet. We're still figuring our what's needed for this. It seems there's no auditing requirement at all.
I want to help you figure this out. Email in profile.
You must encrypt the logs at Rest.
Also, if you are dealing with a production issue with HIPPA logs, you must keep them on the machine. You can't send anything in an email, send a stack trace over a messaging client, or put them into JIRA.