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Test and Tubes Database
ID:231 Mercury (Blood)
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DescriptionBlood is the best matrix for assessing exposure to organic mercury (methyl mercury found in fish). Urine is the best matrix for assessing exposure to metallic and inorganic mercury. If in doubt, send both sample types. Blood and urine testing is not useful for assessing exposure to mercury from dental amalgam in fillings.
IndicationInvestigation and follow-up of suspected acute or chronic poisoning
Additional InfoChronic poisoning from fungicides or dermatologic ointments. Acute poisoning from contaminated fish or grain. Symptoms: erosure of GI mucosa, tubular necrosis, CNS symptoms, excessive salivation. Contanct laboratory if urgent.
Concurrent Testsna
Dietary Requirementsna
InterpretationElevated results above the reference range indicate increased exposure to mercury. The commonest source is contaminated fish (tuna, swordfish, marlin, shark)

DepartmentSpecialist Laboratory Medicine
SampleBlood
TubeEDTA (Haem)
Tube Picture
Collection ConditionsNo restrictions
Min. Vol1 mL
Freq.Weekly

Ref. Range (Male)<30
Ref. Range (Female) <30
Ref. Range (Paed)
Ref. Range Notes
Unitsnmol/L
IP Acute TAT- Contact Laboratory
IP Routine TAT7 days
GP Acute TAT- Contact Laboratory
GP Routine TAT7 days
Turnround CommentContact laboratory if urgent

Originally edited by : E Fox. Review due on 02/11/2019 17:31:34. Published By RB on 02/11/2018 17:31:34.