E803-char group
Disorders of porphyrin and bilirubin metabolism
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: defects of catalase and peroxidase
Incl.: defects of catalase and peroxidase