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A 47-year-old male asked:

what is the meaning of absent of porphobilinogen in urine.

1 doctor answer1 doctor weighed in
Dr. James Burns
Emergency Medicine 37 years experience
It simply means: There is no porphobilinogen in the urine sample tested. It is a substance looked for in the urine of someone suspected of having a porphyria.

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Last updated Apr 23, 2014

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