K823-char group
Other diseases of gallbladder
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: nonvisualization of gallbladder (R93.2) postcholecystectomy syndrome (K91.5)