WRAP: Special Database Codes

This document describes the special database codes found in the WRAP Database.

Special Database Codes

999 - Missing data   (B12 can have a value of 999, so missing data is 9999)

888 - We have data but do not feel it is valid

777 - Information requested but has not been returned (IQ Code and IADL)*

666 - Information under Review (CDR)*

*Please note: 777 and 666 are retired WRAP Database Codes (they are no longer utilized in WRAP's OpenClinica database (or the WRAP data sets)

Document History

Version Date Change Reason Primary Author
1/10/2019 New KB Document Allen Wenzel
10/10/2022 Minor changes, added Document History Allen Wenzel
6/22/2026 Updated documentation of 777 and 666 Barb Rosenthal


Keywords:
666 777 888 999 9999 
Doc ID:
88985
Owned by:
Angel H. in Wisconsin Alzheimer’s Program
Created:
2019-01-10
Updated:
2026-06-22
Sites:
Wisconsin Alzheimer’s Program