C033-char group
Malignant neoplasm of gum
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: alveolar (ridge) mucosa gingiva Excl.: malignant odontogenic neoplasms (C41.0-C41.1)