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

Codes within E80

E80.0Hereditary erythropoietic porphyria E80.1Porphyria cutanea tarda E80.2Other porphyria E80.3Defects of catalase and peroxidase E80.4Gilbert syndrome E80.5Crigler-Najjar syndrome E80.6Other disorders of bilirubin metabolism E80.7Disorder of bilirubin metabolism, unspecified