Mercury, Blood

Abbrev Code:MERC   
Order Code:LAB831Order Name:Mercury Blood
Methodology:Inductively coupled plasma/Mass spectrometry
CPT Codes: 83825 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-3 days.

For tests developed and validated by ARUP (previously referred to as Compliance Statement B, C or D). This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Collection Instructions

Specimen:Whole blood
Optimal Volume:7 mL
Minimum\Peds Volume:0.5 mL
Container:Trace Element, EDTA (DE)
Patient Preparation:Diet, medication and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, nonessential over-the-counter medications (upon the advice of their physician) and avoid shellfish and seafood for 48-72 hours prior to testing.
Causes for Rejection:Specimens collected in tubes other than Royal Blue (EDTA). Specimens transported in containers other than Royal Blue (EDTA) tube or Trace Element-Free Transport tube. Heparin anticoagulant. Clotted of frozen specimens.

Processing and Shipping

Specimen Processing:Whole blood. Do not process. Send in original container. Do not aliquot. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:1 week at room temperature or refrigerated. Frozen is unacceptable.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:99305


Critical Range:Toxicity: 20-50 ug/L
Reference Range:

0-10 ug/L


Limitations:Mercury is volatile; concentration may decrease over time.

This test measures total mercury, whereas the reference interval relates to inorganic mercury concentrations. Dietary and non-occupational exposure to organic mercury species may contribute to an elevated total mercury result.

Preferred test for the assessment of acute mercury exposure. For chronic exposure, Mercury, Urine (0025050) is preferred.


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