This item has been superseded by a newer version by one or more Registration Authorities.
Definition
The ICDO (3rd edition) code set representing the site of origin of a tumour, as opposed to the secondary or metastatic sites.
Representation
Data Type | String |
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Format | ANN{.N[N]} |
Maximum character length | 6 |
Comments
Guide for use:
Report the primary site of cancer, if known, for patients who have been diagnosed with a cancer.
In ICDO, primary site is identified using both the Cxx.x code identifying site and the behaviour code to identify whether the site is the primary site. The behaviour code numbers used in ICDO are listed below:
0 Benign
1 Uncertain whether benign or malignant
- borderline malignancy
- low malignant potential
2 Carcinoma in situ
- intraepithelial
- non-infiltrating
- non-invasive
3 Malignant, primary site
6 Malignant, metastatic site
- malignant, secondary site
9 Malignant, uncertain whether primary or metastatic site
References
Related content
Relation | Count |
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Data Elements implementing this Value Domain | 1 |