Frequently Asked Question #5:
Q5: When are skilled nursing or therapy services to maintain a patient’s current condition or prevent or slow further deterioration covered under the SNF, HH, and OPT benefits, assuming all other coverage criteria are met?
A5: As long as all other coverage criteria are met, skilled nursing and therapy services that maintain the patient’s current condition or prevent or slow further deterioration are covered under the SNF, HH, and OPT benefits as long as an individualized assessment of the patient’s clinical condition demonstrates that the specialized judgment, knowledge, and skills of a qualified therapist, registered nurse or, when provided by regulation, a licensed vocational or practical nurse, are necessary in order for the maintenance services to be safely and effectively provided.
See https://www.cms.gov/center/special-topic/jimmo-settlement/faqs