A code to identify the extent of metastasis, the spread of a cancer from its original location to other sites in the body during a Breast Cancer Care Spell.
National Codes:
| 1 | Metastasis (Retired 1 April 2020) | 
| 2 | Micrometastasis | 
| 3 | Isolated Tumour CELLS (ITCs) | 
| 4 | Macrometastasis | 
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | METASTASIS EXTENT CODES |