+E80 marks a classification within the [ICD-10](/wiki/ICD-10) system. It denotes disorders of porphyrin and bilirubin [Metabolism](/wiki/Metabolism), affecting vital bodily processes.
+## See also
+- [Porphyria](/wiki/Porphyria)
+- [Bilirubin](/wiki/Bilirubin)
+- [Diagnosis](/wiki/Diagnosis)
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