Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1048 page)

   Interpretation

   Refer to current local state or federal (CDC) guidelines regarding treatment at specific blood lead concentrations. Note that thresholds for treatment vary for adults, children, and pregnant women.

   See discussion of lead poisoning in Chapter
14
.

   Limitations

   Whole blood free of clots.

   Specimen must be collected using a procedure that minimizes environmental contamination.

   Specimen container must be lead free.

   POC testing devices:

   Electrochemical methodology

   One-step sample pretreatment

   Limit of quantitation: 3–5 μg/dL

   Results available in <5 minutes

   Results may agree within ±20% ICP-MS

   Laboratory-based instrumentation