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RBC Molybdenum-Whl Bld
MessageQuest Diagnostics test code: 38583
Test Code
Z1652
Alias/See Also
3000490
CPT Codes
83018
Preferred Specimen
4 mL whole blood collected in an EDTA or sodium heparin trace metal-free (royal blue-top) tube
Patient Preparation
Patient should refrain from taking mineral supplements 3 days before specimen collection and from eating legumes and leafy vegetables 2 days before specimen collection
Minimum Volume
2 mL
Other Acceptable Specimens
Whole blood collected in a sodium heparin (green-top) tube, or EDTA (lavender-top) tube, or sodium heparin lead-free (tan-top) tube
Instructions
Tests performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that re-submission with a trace element tube/container is recommended.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: unacceptable
Refrigerated: 5 days
Frozen: unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Received frozen
Clotted specimen
Received frozen
Clotted specimen
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Tuesday, Thursday, Saturday
Report Available
2 to 4 days
Reference Range
See Patient Report for Reference Range and/or Interpretation of Results
Clinical Significance
Molybdenum is an essential trace element. In anemia, molybdenum concentration decreases in both erythrocytes and plasma. Toxic doses can cause anemia and abnormal copper metabolism.
Performing Laboratory
Quest Diagnostics
Valencia, CA
