C153-char group
Malignant neoplasm of oesophagus
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Note: Two alternative subclassifications are given: .0 - .2 by anatomical description .3 - .5 by thirds This departure from the principle that categories should be mutually exclusive is deliberate, since both forms of terminology are in use but the resulting anatomical divisions are not analogous.