Tools and resources Tools to help you put the guidance into practice. Clinical classification Clinical classification codes PDF 122 KB 28 February 2017 Audit and service improvement Clinical audit tool Word 1.18 MB 27 April 2011 Electronic audit tool Excel 5.62 MB 27 April 2011 Research recommendations Research recommendations information Guidance into practice About the Into practice guide Practical steps to improving the quality of care and services using NICE guidance