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HelpOrder Code CRWB Chromium, Blood
Ordering Guidance
High concentrations of gadolinium and iodine are known to interfere with most metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Specimen Required
Container/Tube: Royal blue top (EDTA) Vacutainer plastic trace element blood collection tube
Specimen Volume: 1 mL
Collection Instructions:
1. See Metals Analysis Specimen Collection and Transport for complete instructions.
2. Send whole blood specimen in original tube. Do not aliquot.
Useful For
Monitoring exposure to chromium using whole blood specimens
Monitoring metallic prosthetic implant wear
Special Instructions
Method Name
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Reporting Name
Chromium, BSpecimen Type
Whole bloodSpecimen 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 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
| Microtainer | Reject |
Reference Values
0-17 years: Not established
≥18 years: <1.0 ng/mL
Method Description
The metal of interest is analyzed by inductively coupled plasma mass spectrometry.(Unpublished Mayo method)
Day(s) Performed
Tuesday, Wednesday, Friday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82495