C503-char group
Malignant neoplasm of breast
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: connective tissue of breast Excl.: skin of breast (C43.5, C44.5)