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Unit Code 8633:
Heavy Metals Screen, Urine

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Clinical Information

See individual test descriptions for:

See #8644 "Arsenic, Urine"

See #8678 "Cadmium, Urine"

See #8600 "Lead, Urine"

See #8592 "Mercury, Urine"

Reference Values

ARSENIC

      Normal:  <120 ug/specimen

      Toxic concentration:  > or =5,000 ug/specimen

LEAD

      Normal:  <80 ug/specimen

      Indeterminate:  80-400 ug/specimen

      Abnormal:  >400 ug/specimen

MERCURY

      Normal:  <10 ug/specimen

      Toxic concentration: >50 ug/specimen

      The concentration at which toxicity is expressed is widely

      variable between patients. 50 ug/specimen is the lowest

      concentration at which toxicity is usually apparent.

CADMIUM

      <3.0 ug/specimen

 

Specimens collected for other than a 24 hour time period are

reported in unit of ug/L, for which reference values are not

established.

Cautions

High concentrations of gadolinium and iodide are known to interfere

with most metals tests. If either gadolinium or iodide-containing

contrast media has been administered a specimen can not be

collected for 48 hours.

Special Instructions and Forms

• Urine Preservatives 
• Metals Analysis - Collection and Transport 

Key