Final answer:
When detailed information regarding an injury is lacking, a common descriptor used is 'unspecified' or 'unknown'.
Step-by-step explanation:
When detailed information regarding an injury is lacking, a common descriptor used is 'unspecified' or 'unknown'. This is often the case when immediate medical attention is required and there is limited information available. In these situations, healthcare professionals may use these descriptors until further information can be obtained. For example, if a patient arrives at the emergency room with a shoulder injury but is unable to provide specific details, the injury may be documented as 'unspecified shoulder injury'.