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Study Data Technical Conformance Guide
The Logical Observation Identifiers Names and Codes (LOINC) is a clinical terminology housed by the Regenstrief Institute.49 LOINC codes are universal
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We have created several maps which show different ways of classifying RUCA codes. Because the RUCA codes are assigned at the ZIP code level (as shown here),
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ZIP Code Tabulation Areas (ZCTAs)
Aug 10, 2023 ZCTAs are generalized areal representations of the geographic extent and distribution of the point-based ZIP Codes built using 2020 Census tabulation blocks.
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