An understanding of the NCIS coding schema is recommended for anyone involved in using NCIS data for research or reporting, or for anyone involved in coding data.

Further information is available in data sources + classification structuresexplanatory notes and training + support.


Coding manual

The NCIS Coding manual is a reference tool designed for coders entering data into the NCIS. The manual provides guidance and advice on data fields and common coding scenarios, with tailored advice and tips about how to consistently enter coded data for the purposes of the NCIS.

Manual - Coding (PDF, 3.58 MB) (External link)


Data dictionary

The NCIS Data dictionary is a reference manual for users involved in entering, interpreting or analysing information in the NCIS. It includes a comprehensive list of all data fields available in the NCIS with definitions and applications.

Manual - Data dictionary (PDF, 5.18 MB) (External link)