The new information management and technology strategy of the NHS.

the schedules of procedures suggested by the provident societies.The guidelines and schedules were produced in 1989, and data collected by the commission show a wide variation in charges before 1989 and a convergence thereafter.In March 1989, for instance, surgeons' charges for a coronary bypass graft operation varied from £175 to £4000, with £1500 being levied on 11 occasions and £1600 on nine occasions.In March 1992 surgeons charged £2000 on 108 occasions, £1950 on 11 occasions, and £2200 on 10 occasions.The maximum suggested by the British United Provident Association was