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Penicillamine Challenge Test for Urinary Copper Excretion

Specialty:

Gastroenterology

Objective:

ICD-10:

Description:

Urinary excretion of copper in patient's with Wilson's disease is often quite high, but sometimes overlaps with that seen in patients with other diagnoses. Following a challenge dose of D-penicillamine there is a dramatic increase in urinary copper excretion for patient's with Wilson's disease but not with other diseases.

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