| Change Request | 
| Reference: | Change Request 270 | 
| Version No: | 1.4 | 
| Subject: | DSCN 24/2002 | 
| Type of Change: | Revision of NHS data standards | 
| Effective Date: | 1 June 2002 | 
| Reason for Change: | The abolition of the Subsidiary Diagnosis Field within CDS | 
DSCN 07/2001 discontinued the use of the subsidiary diagnosis field within Commissioning Data Sets (CDS) from 1st April 2002.
The following change to the NHS Data Dictionary & Manual reflects this change.
Summary of changes:| Attribute Definitions | |
| PATIENT DIAGNOSIS CODING SIGNIFICANCE | Change to description | 
| Name: | Michelle Cambridge | 
| Date: | 26 November 2002 | 
| Sponsor: | Data Standards Team | 
A classification for a PATIENT DIAGNOSIS. .  
Classification:
| a. | Primary | 
| b. | First secondary | 
| c. | Second secondary | 
| d. | Third secondary | 
| e. | Fourth secondary | 
| f. | Fifth secondary | 
| g. | Other | 
| Context | Alias | 
|---|---|
| plural | PATIENT DIAGNOSIS CODING SIGNIFICANCES | 
Please address enquiries about this DSCN to:-
Data Standards Team
NHS Information Authority
Aqueous II
Aston Cross
Rocky Lane
Birmingham
B6 5RQ
Tel: 0121 333 0333