Minn. Stat. § 260E.16: TIMELINE FOR SCREENING.

(a) The local welfare agency shall determine if the report is to be screened in or out as soon as possible but in no event longer than 24 hours after the report is received.

(b) When determining whether a report will be screened in or out, the agency receiving the report must consider, when relevant, all previous history, including reports that were screened out. The agency may communicate with treating professionals and individuals specified under section 260E.35, subdivision 4, paragraph (b).