According to CFR 42-§483.102, a PASRR Level I screen must be completed for all applicants to a Medicaid-certified nursing facility, regardless of payer.
Pre-Admission General Rule. Under 42 CFR §483.102 (a), the PASRR process applies to all Medicaid-certified nursing facility (NF)
For a variety of reasons, including the availability of evaluators, it may not always be possible to perform a complete psychiatric evaluation on an individual before they are admitted to a nursing facility (NF).
The CFR does not specify how quickly Level I's must be completed, and with good reason: There is no baseline against which to establish timing requirements.