C143-char group
Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: oral cavity NOS (C06.9)