Format/length:	an6
HES item:
National Codes:
Default Codes:

Notes:
See DIAGNOSTIC CODING for details on coding and PRIMARY DIAGNOSIS for the standardised definition of primary diagnosis.

The National Cancer Waiting Times Monitoring Dataset (22/2002) requires coding to the third digit except for acute leukaemia that requires to be recorded to the 4th digit and stipulates a maximum length of an4.

 

This data element is also known by these names:

Context	Alias
plural	PRIMARY DIAGNOSES (ICD)