Coding system 1970&80&90:Type:Pt:Census tract at cancer XXX Dx:Nom: - CISMeF
Coding system 1970&80&90:Type:Pt:Census tract at cancer XXX Dx:Nom:LOINC code
Preferred Label : Coding system 1970&80&90:Type:Pt:Census tract at cancer XXX Dx:Nom:;
LOINC status : ACTIVE;
LOINC long common name : Coding system 1970/80/90 Census tract at cancer diagnosis;
LOINC short name : Coding sys 1970/80/90 Census tract;
LOINC description : Identified the set of Census Bureau census tract definitions (boundaries) that were
used to code the census tract in Census Tract 1970/80/90 [110] for a specific record.
Allows for changes in census tracts over time. The census tract definition used to
code the case must be recorded so that data are correctly grouped and analyzed. If
the coding system were not recorded, the census codes would have to be converted or
recoded every time the census tracts were changed... NAACCR Data Standards and Data
Dictionary Version 11;