N303-char group
Cystitis
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Use additional code, if desired, to identify infectious agent (B95-B98) or responsible external agent (Chapter XX). Excl.: prostatocystitis (N41.3)