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| Test Name: | Lead, Urine |
|---|---|
| Test Code: | 007633 |
| Other Names: | N/A |
| Test Includes: | Lead, Urine, Creatinine(Crt),U, Lead/Creat. Ratio, Lead, Urine (24 Hr) |
| Specimen Requirements: | Urine (random or 24-hour), 5 mL |
| Container: | Plastic urine container, no preservative |
| Collection Instructions: | Sampling time is not critical for industrial exposure monitoring. Metals with timing "not critical" have very long elimination half-lives and accumulate in the body over years, some for a lifetime. After a couple of weeks of exposure, specimens can be collected at any time. Optional protocol: If the specimen is a 24-hour collection, instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Collect without preservatives. Mix well. Sampling time is not critical for industrial monitoring. |
| Stability: | Maintain specimen at room temperature. |
| Rejection Criteria / Special Instructions: | Request form MUST state total volume collected in 24-hour, if applicable. No preservatives. Preservatives used for routine analysis may contain mercuric oxide (ie, Stabilur), which interferes with all metal testing. If both urinalysis and metal testing ar |
| Methodology: | Inductively coupled plasma/mass spectrometry (ICP/MS) |