Appendix 1

Code lists: C. Tests for Neisseria gonorrhoea.

GPRD Medical CodeRead/OXMIS TermRead/OXMIS Code
249090Gonorrhoea infect. titre test43E6.00
309228Neisseria gonorrhoeae polymerase chain reaction43h6.00
309635Neisseria gonorrhoeae nucleic acid detection43jA.00
340376Gonococcal swab4JLA.00
342356Gonococcal cervical swab4JKB.00
343558Gonococcal urethral swab4JKC.00
348093Gonorrhoea test positive4JQA.00
348168Gonorrhoea test negative4JQ8.00
348381Gonorrhoea screening counselling677M.00