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Test and Tubes Database
ID:668 Mercury (Urine)
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DescriptionUrine is the best matrix for assessing exposure to metallic and inorganic mercury although it may be prudent to send a concurrent blood sample. Urine testing is not useful for assessing exposure to mercury from dental amalgam in fillings.
IndicationInvestigation and follow-up of suspected exposure. Unexplained neurological problems, occupational exposure (e.g. dentist, dental technician, fluorescent tube industry).
Additional InfoUsually performed as an MSU and results corrected for creatinine. A 24 hr urine can be used. Contact laboratory if urgent.
Concurrent Testsna
Dietary Requirementsna
InterpretationElevated results above the reference range indicate increased exposure to mercury.

DepartmentSpecialist Laboratory Medicine
TubePlain Universal
Tube Picture
Collection ConditionsNo special conditions
Min. Vol20mL

Ref. Range (Male)<5
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesIn the unexposed population the 24 hr urine is less than 50nml/L/<5 nmol/mmol. The occupational limit is <20nmol/mmol of creatine
Unitsnmol/mmol (creat)
IP Acute TAT- Contact Laboratory
IP Routine TAT1 week
GP Acute TAT- Contact Laboratory
GP Routine TAT1 week
Turnround CommentContact laboratory if urgent

Originally edited by : E Fox. Review due on 09/04/2019 08:05:08. Published By RB on 09/04/2018 08:05:08.