Nearly one in 10 GMS practices will receive a 12.5 per cent core pay rise in 2009/10, it has emerged.
The practices that will receive this rise, far higher than the 2.29 per cent headline pay deal accepted by the DoH, are the minority that did not rely on MPIG in 2008/9.
In addition to this, they will receive top-ups to QOF and enhanced services income worth 1.7 per cent, along with the rest of the profession.
Although this minority will see overall pay rise significantly, for the 70 per cent of practices that remain on MPIG after the 2.29 per cent rise, overall inc-ome is likely to go up just 1.3 per cent, the BMA said.
The BMA has also estimated that the profession's total reliance on MPIG correction factors will be cut by around £100 million, a 40 per cent drop, in 2009/10.
Under the allocation formula agreed for 2009/10, the 2.29 per cent increase translates into a 2.4 per cent initial global sum rise for all practices.
Practices with no correction factor receive the full value of this, but those with correction factors will have them cut as their global sum rises, to limit the combined rise in the value of their global sum plus correction factor - or 'global sum equivalent' - to 0.7 per cent.
Money cut from these practices is recycled, and re-distributed to all practices via the same process - topping up global sums again. This occurs around 40 times until no cash remains.
All practices' global sums will rise by 12.5 per cent. Practices that started with no correction factor do not have any of their increases 'recycled' - so they keep the full increase.
With each round, more practices come off MPIG. Those that remain on it at the end will receive only a 0.7 per cent increase.
The deal will make massive in-roads into the profession's reliance on correction factors. This made up around £250 million of core funding in 2008/9. But head of the BMA health policy and economic research unit Jon Ford estimates that figure will drop by 'at least £100 million'.
Meanwhile, a letter from DoH primary care director Ben Dyson warned that PMS uplifts should be limited. They should typically receive a rise 'comparable to the minimum uplift' of 0.7 per cent, he wrote.
A spreadsheet accompanying Mr Dyson's letter shows that eight PCTs will spend less on GMS services in 2009/10 than they did in 2008/9. Six of these are in London, fuelling fears the capital will be hit hard by prevalence changes.
GPC chairman Dr Laurence Buckman recently met health minister Ben Bradshaw to discuss support for GPs who lose out on prevalence. He said the minister was 'obviously annoyed' that some PCTs were not helping practices.
12.5% - Maximum core funding increase, received by around 10 per cent of practices
0.7% - Minimum core funding increase, received by around 70 per cent of practices
1.7% - Increase in both QOF and enhanced service funding
1.3% - Total funding increase for practices that remain on MPIG
£250m - Total value of correction factors in 2008/09
Less than £150m - Total value of correction factors in 2009/10