Test Code HG Mercury, Blood
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen 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 |
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 daysSpecimen Retention Time
14 daysReject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |