LS variable metadata
Variable: MLCAT1IM
Table: IDMI
Short description: ICD8/9 multiple cause code 1st type of death.
Full description:  
Coding notes: 1971-1975, May 1981-1984 and 1987 onwards: Blank
1976-1978, April 1981 and 1985-1986:
space= ICD code under 800
E= ICD 'E' cause code 800-999 N = ICD 'N' cause code 800-999
Note: Space, 'E' and 'N' may also relate to special OPCS Multiple Cause codes 1993 onwards: Blank See Events Appendix 2 For underlying cause in second decade, see UCA5DIM/UCDEXDIM/UCDE3DIM. From 1986-1992, 'original main condition' is available for child & mother: see ORCADXIM/ORCAD3IM/ ORCDC5IM (child) ORCDM5IM (mother) After 1/1/93: See ICD91IM/ICD91FIM/ICD9P1IM/ID9PF1IM/WIGW9IM/WIGW9FIM
Units of measurement:  
Source: Draft death entry (Form 310) Question 8
Former name of variable: MLCATYNDIM
Derived: N
Derivation: Not available
Date range: To: 19810405 
Keyword: Mortality
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 2