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HelpTest Code HG Mercury, Blood
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole bloodSpecimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to potentially interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Supplies: Metal Free B-D Tube (EDTA), 6 mL (T183)
Container/Tube: Royal blue top (EDTA) plastic trace element blood collection tube
Specimen Volume: Full tube
Collection Instructions:
1. See Metals Analysis Specimen Collection and Transport for complete instructions.
2. Send whole blood specimen in original tube. Do not aliquot.
Specimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Special Instructions
Reference Values
<10 ng/mL
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
CPT Code Information
83825
Report Available
1 to 2 daysReject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
Triple Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)