TY - JOUR KW - Cohort Studies KW - *Diabetes Mellitus KW - *general practice KW - Humans KW - *Hypothyroidism/epidemiology KW - *Neoplasms/epidemiology KW - *Osteoarthritis KW - Primary health care KW - United Kingdom/epidemiology KW - *change management KW - *primary care KW - *public health AU - S. Zghebi AU - D. Reeves AU - C. Grigoroglou AU - B. McMillan AU - D. Ashcroft AU - R. Parisi AU - E. Kontopantelis AD - NIHR School for Primary Care Research, Centre for Primary Care and Health Services Research, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK salwa.zghebi@manchester.ac.uk. Division of Population Health, Health Services Research and Primary Care, School of Health Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK. NIHR School for Primary Care Research, Centre for Primary Care and Health Services Research, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK. Centre for Biostatistics, School of Health Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK. Manchester Centre for Health Economics, Division of Population Health, Health Services Research and Primary Care, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK. Centre for Pharmacoepidemiology and Drug Safety, School of Health Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK. Division of Informatics, Imaging, and Data Sciences, School of Health Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre (MAHSC), The University of Manchester, Manchester, UK. AN - 35879012 BT - BMJ Open DO - 10.1136/bmjopen-2021-051456 DP - NLM ET - 2022/07/26 LA - eng M1 - 7 N1 - 2044-6055 Zghebi, Salwa S Orcid: 0000-0002-7978-1094 Reeves, David Orcid: 0000-0001-6377-6859 Grigoroglou, Christos McMillan, Brian Orcid: 0000-0002-0683-3877 Ashcroft, Darren M Parisi, Rosa Kontopantelis, Evangelos Orcid: 0000-0001-6450-5815 DH_/Department of Health/United Kingdom Journal Article Research Support, Non-U.S. Gov't England BMJ Open. 2022 Jul 25;12(7):e051456. doi: 10.1136/bmjopen-2021-051456. PY - 2022 SN - 2044-6055 EP - e051456 T2 - BMJ Open TI - Clinical code usage in UK general practice: a cohort study exploring 18 conditions over 14 years VL - 12 ER -