Note that this includes adverse consequences and complications of medical and surgical care. A minority of cases present definitional difficulties, some of which are discussed here. Consult NISU if necessary. Assume injury until another diagnosis is made. Exacerbations of chronic conditions .
Typical instances are certain types of painful musculo-skeletal conditions.
Sudden recurrences, or acute exacerbations, can be regarded as new events for the purposes of the 'first attendance' rule. Iatrogenic injury . Delayed presentation . A welder presents with long-standing eye irritation. Collection at 'sub-division' level ASCO Australian Standard Classification of Occupations.