This data item is / was included in the following data sets / collections between the dates shown:
|
Data Set / Collection |
Valid From |
Valid To |
|
APC ds99 |
1st April 1999 |
|
|
OP ds |
1st April 1999 |
|
It is an entry of the diagnostic index according to the Read classification using codes maintained by the NHS Centre for Coding and Classification.
Format: 7 character alpha-numeric