OASIS Alert

Education:

PRECISE MEANING OF 'DAY' AFFECTS ANSWER

Question: For OASIS questions that ask about the patient's condition on the "day of assessment," do you consider the calendar day of the assessment or the 24-hour period leading up to the time of assessment?

Answer: The phrase "day of assessment" means the "24-hour period directly preceding the assessment visit," the Centers for Medicare & Medicaid Services instructs in Question 17 of the OASIS Q&As. This ensures the answer takes into account fluctuations in the patient's condition that may occur at different times of day, CMS explains.

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