Chest pain or discomfort of myocardial ischaemic origin is usually described as pain, discomfort or pressure in the chest or the upper body (neck and throat, jaw, shoulders, back, either or both arms, wrists and hands) or other equivalent discomfort suggestive of cardiac ischaemia. Ask the person when the symptoms first occurred or obtain this information from appropriate documentation. CODE 1 Atypical chest pain Use this code for pain, pressure, or discomfort in the chest, or upper body not clearly exertional or not otherwise consistent with pain or discomfort of myocardial ischaemic origin. CODE 2 Stable chest pain pattern Use this code for chest pain without a change in frequency or pattern for the 6 weeks before this presentation or procedure. Chest pain is controlled by rest and/or sublingual/oral/transcutaneous medications. CODE 3 Unstable chest pain pattern: rest and/or prolonged Use this code for chest pain that occurred at rest and was prolonged, usually lasting for at least 10 minutes CODE 4 Unstable chest pain pattern: new and severe Use this code for new-onset chest pain that could be described as at least Canadian Cardiovascular Society (CCS) classification 3 severity. CODE 5 Unstable chest pain pattern: accelerated and severe Use this code for recent acceleration of chest pain pattern that could be described by an increase in severity of at least 1 CCS class to at least CCS class 3. |