GMC Good Medical Practice Guidance

The GMC guidance is about fundamental ethical principles that most doctors will use every day, like Consent and Confidentiality.  The link above also contains guidance that every doctor needs to know about and follow, even though they may not use it regularly in their day to day work:

• 0-18 years
• Protecting children and young people
• Leadership and management for all doctors
• Raising and acting on concerns
• Treatment and care towards the end of life
• Accountability 
• Acting as a witness
• Consent to research 
• Confidentiality; disclosing information for education and training purposes, insurance, employment and similar purposes, financial and administrative purposes, serious communicable diseases, reporting concerns about patients to the DVLA or the DVA, reporting gunshot and knife wounds, responding to criticism in the press.
• Delegation and referral 
• Doctors' use of social media 
• Ending your professional relationship with a patient
• Financial and commercial arrangements and conflicts of interest 
• Good practice in research 
• Maintaining boundaries: Intimate examinations and chaperones, Maintaining a professional boundary between you and your patient, Sexual behaviour and your duty to report colleagues, Openness and honesty when things go wrong,
• Personal beliefs and medical practice
• Prescribing and managing medicines and devices 
• Reporting criminal and regulatory proceedings within and outside the UK 
• Responsible consultants or clinicians Use of visual and audio 
• When a patient seeks advice or information about assistance to die (pdf)
• Writing references