K643-char group
Haemorrhoids and perianal venous thrombosis
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: piles Excl.: complicating: childbirth and the puerperium (O87.2) pregnancy (O22.4)