Final answer:
Under Medicare Part A in the SNF setting, the maximum percentage of group therapy minutes is limited to 25% of the total therapy minutes in a week.
Step-by-step explanation:
Under Medicare Part A in the skilled nursing facility (SNF) setting, the percentage of group therapy minutes that a patient can receive in a week is limited. According to the rules, group therapy minutes should be equal to or less than 25%. Therefore, the correct answer to the question is c. 25%.
It's important to adhere to these guidelines to maintain compliance with the Medicare coverage rules. Exceeding the allotted group therapy percentage can have implications on reimbursement and the facility's compliance with federal regulations.