ACCIDENT AND EMERGENCY DIAGNOSIS - SECOND is the second or subsequent recorded PATIENT DIAGNOSIS for an Accident and Emergency Attendance.

ACCIDENT AND EMERGENCY DIAGNOSIS - SECOND is required for recording within an Accident and Emergency Attendance Commissioning Data Set.

For Commissioning Data Set and XML Schema version 6 onwards, ACCIDENT AND EMERGENCY DIAGNOSIS - SECOND will be recognised as Secondary Diagnosis (Accident and Emergency).

For Commissioning Data Set version 6 onwards, there are no restrictions on the number of Secondary Diagnoses (Accident and Emergency) recorded.

This data element is also known by these names:

Context	Alias
schema	SECONDARY DIAGNOSIS (ACCIDENT AND EMERGENCY)
plural	ACCIDENT AND EMERGENCY DIAGNOSIS - SECOND