The Medicare 3-day rule links hospital stays to skilled nursing coverage. Meeting it can save thousands in rehab costs, while observation status or missed requirements may leave patients paying fully.
Medicare 3-Day Rule: Medicare can be confusing, especially when it comes to hospital stays and skilled nursing care. There are lots of rules and different parts, like Part A, Part B, Part C, and Part D, some of which are optional.
But for almost 69 million Americans who use Medicare, knowing these rules is really important because it can affect how much you pay out of your own pocket. One rule that many people don’t know about is called the “3-day rule.” This rule can decide if Medicare pays for rehab in a skilled nursing facility or if you have to pay the full bill yourself.
ACA Section 1557: Disability Rights and Protections for Medicare Patients
The 3-day rule means that you must stay in the hospital as a patient for at least three nights in a row before Medicare Part A will cover care in a skilled nursing facility (SNF). Only the nights you spend in the hospital count, not the day you leave. Time spent in the emergency room or in observation before being admitted doesn’t count. For example, if you get admitted late on Friday night, that first night counts as day one.
You need to stay until Sunday night to reach the three days for a Monday discharge. After leaving the hospital, you must go to a Medicare-approved SNF within 30 days, and the care must be for the same reason you were in the hospital. The facility has to give daily skilled care or rehab that can only be done there. If these conditions aren’t met, Medicare probably won’t pay.
This rule has a big effect on your money. Depending on the length of your stay in the SNF, you may also be required to pay the following:
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