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

Notes:
See DIAGNOSTIC CODING for details on coding and the Using Secondary Diagnosis comments in the Clinical Coding section, for their usage.

Secondary is a classification of PATIENT DIAGNOSIS CODING SIGNIFICANCE.

For CDS and HES purposes there may be up to 13 secondary diagnoses recorded. 

This data element is also known by these names:

Context	Alias
plural	SECONDARY DIAGNOSES (ICD)