LS variable metadata
Variable: UCDEXDIM
Table: IDMI
Short description: ICD9 4th digit of underlying cause of death (deaths 1979-1992)
Full description:  
Coding notes: Fifth digit of final underlying cause of death, 0-9, '-', Space
1971-1978:
Space
1979+:
0-9, '-'
1986+:
space= neonatal death See Events Appendix 4
1993 onwards:
Blank - see ICD9UIM/ ICD9UFIM/ WIGW9IM/ WIGW9FIM
Notes:  
Units of measurement:  
Source: Draft death entry (Form 310) Question 8
Former name of variable: UCADEXDDIM
Derived: N
Derivation: Not available
Subject:  
Date range: From: 19790101 To: 19921231 
Keyword: Mortality
Classification:  
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 1
Reference 1: See LS Technical Volume (Hattersley and Creeser, 1995), page 343 (death registration draft entry form), page 25 and page 96 (general details), pp. 99-104 (comparability), pp. 141-145 (data quality).
Reference 2: Events Appendix 4