An indication of the additional Ann Arbor Staging System stage designation based on extranodal involvement during a Haematological Cancer Care Spell.
For further guidance on recording of the National Codes, see the National Disease Registration Service website at: Cancer Outcomes and Services Data Set User Guide.
National Codes:
| E | Extranodal involvement |
| 0 | No Extranodal involvement |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| formerly | ANN ARBOR EXTRANODALITY INDICATOR |
| plural | ANN ARBOR EXTRANODALITY INDICATION CODES |