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Test Code HG Mercury, Blood

Reporting Name

Mercury, B

Useful For

Detecting mercury toxicity

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Whole blood

Specimen Required

Container/Tube: Royal blue-top (EDTA) Vacutainer plastic trace element blood collection tube (T183)

Specimen Volume: Full tube

Collection Instructions:

1. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.

2. Send specimen in original tube.

Additional Information:

1. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

2. If ordering the trace element blood collection tube from BD, order catalog #368381.

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

Normal: 0-9 ng/mL

Reference values apply to all ages.

Day(s) and Time(s) Performed

Monday through Saturday; 2 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
HG Mercury, B In Process


Result ID Test Result Name Result LOINC Value
8618 Mercury, B 5685-3

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK


Green-top (heparin) tube

Method Name

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)