A classification of body sites at a more detailed level than ICD-10 based on OPCS 'Z' coding.

National codes:

Additional to OPCS codes

Z92.8	Specified region of body not elsewhere classified (to be used for multiple body sites)
Z92.9	Region of body not elsewhere classified(to be used for Unknown)

References:
National Cancer Data Set Version 2.1_ISB October 2002