Quest Diagnostics Urine Markers

Copper, 24 Hour Urine

Optimal range: 15 - 60 mcg/24h

Investigation of Wilson disease and obstructive liver disease using a 24-hour urine specimen

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LEUKOTRIENE E4, U

Optimal range: 0 - 104 pg/mg Cr

An aid to evaluate patients suspected of having systemic mastocytosis.

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N-methylhistamine, Urine

Optimal range: 30 - 200 mcg/g Creat.

N-methylhistamine is a major metabolite of the neurotransmitter histamine.

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