Some encounters may take longer than their allotted times, while others may take less than the time allowed. It is NOT necessary to use the allotted time for any particular encounter if you are coding based on the documentation of the three key components. In other words you are not penalized for being efficient.
If you are only going to have 1-2 drinks, you should be fine to breastfeed. If you are going to binge drink, then you should wait two hours per drink before breastfeeding. Once the alcohol is out of your blood it is out of your milk. And pumping & dumping does nothing to speed this process up.
They do not have to worry about SAMHSA opinions, and most don't. If this is a probation issue, play it safe. Don't drink for at least 4 days before a test. If you're violated, you may spend quite a while in jail before you get a chance to try to explain this to a judge. Wait about five days before testing.The ETG test is an 80-hour test, supposedly. However, it is extremely sensitive, and has been known to react to small amounts of alcohol in normal food, and other intake such as swallowing a small amount of mouthwash.