Coproporphyrins

**Definition:** Porphyrins with four methyl and four propionic acid side chains attached to the pyrrole rings. Elevated levels of Coproporphyrin III in the urine and feces are major findings in patients with HEREDITARY COPROPORPHYRIA.

**Tree numbers:** - D03.383.129.578.840.500.250 - D03.633.400.909.500.250 - D04.345.783.500.250 - D23.767.727.250