C693-char group
Malignant neoplasm of eye and adnexa
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: connective tissue of eyelid (C49.0) eyelid (skin) (C43.1, C44.1) optic nerve (C72.3)