§ Mr. Hutton
There were 35,287 elective primary hip replacements carried out in the national health service in England in 2000–01.
OPCS (operation) codes used were W37–39 and W46–48, excluding W37.3, W38.3, W39.3, W46.3, W47.3 and W48.3. And also excluding those episodes with a primary diagnosis of S72.0–S72.2 (fractured neck of femur).
Hospital Episode Statistics (HES), Department of Health.