LS variable metadata
Variable: NHSDHCC
Table: CANC
Short description: NHS DHA code (1987 - 1992) - part of expanded area code
Full description:  
Coding notes: 1971-1986:
Blank. Not applicable
A01 to W88. See Events Appendix 5
Applies if AVDYRACC (Anniversary year) is greater than 1986
1993 onwards:
Blank. Not applicable
Units of measurement:  
Source: Cancer registration data collected by ONS through the National Cancer Registration Scheme. This is a new variable formed by merging NHSDH1CC, NHSDH2CC & NHSDH3CC as part of the data transfer from ICL to M204 environment.
Former name of variable: NHSDH1CC, NHSDH2CC, NHSDH3CC
Derived: N
Derivation: Not available
Date range: From: 19870101 To: 19921231 
Keyword: Geog
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 3
Reference 1: See LS Technical Volume (Hattersley and Creeser, 1995) page 344 (shows cancer registration abstract), page 25, pp. 97-98, pp. 104-105 (comparability of data), page 125 and pp. 138-141 (data quality).
Reference 2: Events Appendix 5