Notes:
IMAGE REQUEST DATE is the same as the attribute SERVICE REQUEST DATE.

This data element is only mandatory when applicable in the National Cancer Dataset for head and neck cancer. This is when the pre-treatment imaging was requested.

It is the SERVICE REQUEST DATE of the first DIAGNOSTIC TEST REQUEST in the Head and Neck Cancer Care Spell where the request results in an Imaging or Radiodiagnostic Event where the CANCER IMAGING MODALITY is CT scan or MRI.

Head and Neck Cancer Care Spell is an ACTIVITY GROUP where ACTIVITY GROUP TYPE is National Code 19 'Head and Neck Cancer Care Spell'.

Imaging or Radiodiagnostic Event is a CLINICAL INTERVENTION where CLINICAL INTERVENTION TYPE is National Code 16 'Imaging Or Radiodiagnostic Event'.

This data element is also known by these names:

Context	Alias
plural	IMAGE REQUEST DATES