Mercury, Whole Blood
0099305
 
Ordering Recommendation
Mnemonic
HG B
Methodology
Quantitative Atomic Absorption/Quantitative Inductively Coupled Plasma-Mass Spectrometry
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Diet, medication, and nutritional supplements may introduce interfering substances. Patient should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician), and avoid shellfish and seafood for 48 to 72 hours.  
Collect
Royal blue (K2EDTA or Na2EDTA).  
Specimen Preparation
Transport 7 mL whole blood in the original collection tube. (Min: 1 mL)  
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated.  
Unacceptable Conditions
Heparin anticoagulant. Frozen specimens.  
Remarks
 
Stability
Mercury is volatile; concentration may reduce after seven or more days of storage.  
Reference Interval
0-10 µg/L
Interpretive Data
Blood mercury levels predominantly reflect recent exposure and are most useful in the diagnosis of acute poisoning as blood mercury concentrations rise sharply and fall quickly over several days after ingestion. Blood concentrations in unexposed individuals rarely exceed 20 µg/L. The provided reference interval relates to inorganic mercury concentrations. Dietary and non-occupational exposure to organic mercury forms may contribute to an elevated total mercury result. Clinical presentation after toxic exposure to organic mercury may include dysarthria, ataxia and constricted vision fields with mercury blood concentrations from 20 to 50 µg/L.
Note
Elevated results from noncertified trace element-free collection tubes may be due to contamination. Elevated concentrations of trace elements in blood should be confirmed with a second specimen collected in a tube designed for trace element determinations, such as a royal blue (Na2EDTA) tube.
CPT Code(s)
83825
Components
Component Test Code*Component Chart Name
0099305Mercury Blood
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Hg
  • Hg WB
  • HGB