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The interfering substances for porphobilinogen assay includes urea and urobilinogen. Since they can affect the results of the assay, interfering substances are removed by selectively adsorbing PBG onto an ion-exchange resin (PubMed, 1989).

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6mo ago

Common interfering substances for porphobilinogen assay include drugs such as levodopa, hydralazine, and barbiturates. Other substances like bilirubin, hematuria, and phenothiazines can also interfere with the accurate measurement of porphobilinogen levels.

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Q: What are the common interfering substances for porphobilinogen assay?
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Related questions

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