Definition
The International Union Against Cancer (UICC) TNM Classification of Malignant Tumours code set denoting the presence or absence of regional lymph node metastasis and describing the extent of lymph node metastasis.
Representation
| Data Type | String |
|---|---|
| Format | X[XX] |
| Maximum character length | 3 |
Values
| Value | Meaning | Start Date | End Date | |
|---|---|---|---|---|
| Supplementary Values | 997 | Not applicable | ||
| 998 | Unknown | |||
| 999 | Not stated/inadequately described |
Comments
Guide for use:
Valid N codes from the current edition of the UICC TNM Classification of Malignant Tumours.
Record the stage in Arabic numerals and the appropriate upper or lower case alphabetic character omitting the prefix "N". For example, record stage N1b for malignant melanoma of the skin as "1b".
Record if the N stage value has a prefix of “c” or “p”. For example, record retinoblastoma N stage pN1 as “p1”.
Refer to the TNM Supplement: A Commentary on Uniform Use, 3rd Edition for coding rules.
References
Wittekind C et al (Editors) 2003. International Union Against Cancer (UICC): TNM supplement: A commentary on uniform use, 3rd edition. Wiley-Blackwell.
This content Based on Australian Institute of Health and Welfare material. Attribution provided as required under the AIHW CC-BY licence.
Related content
| Relation | Count |
|---|---|
| Data Elements implementing this Value Domain | 1 |