Trust Homepage > Pathology Homepage

Test and Tubes Database
ID:668 Mercury (Urine)
Search Links: General Info : Protocols : Patient Info

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.

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. Last edited on 09/04/2019 08:05:08. Published By RB on 09/04/2018 08:05:08.