Briefing paper (PDF, 225 kB)
Consultation comments and responses (PDF, 441 kB)
CPRD testing (PDF, 269 kB)
Equality and health inequalities assessment (downloadable version) (PDF, 228 kB)
NCCID piloting (PDF, 497 kB)
NCCID piloting Appendices A-E (PDF, 1 MB)
Validity report (PDF, 168 kB)