Test Overview
Test Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Test Usage

Detecting mercury toxicity.

Reference Range *

Age 0-15 years: not established; age =16 years: 0 - 9 mcg/specimen; toxic: >50 mcg/specimen.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

2 - 6 days

Soft Order Code
MHGU
MiChart Code
Mercury, Urine
Synonyms
  • Hg
  • MERCURY, URINE
  • HGU24
  • HGU24-CONC
  • MERCURY, URINE 24 HOUR
  • CONCENTRATION
Laboratory
Sendout
Reference Laboratory
Mayo HGU (8592)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect 24 hour urine in a clean, plastic container with no metal cap or glued insert and no preservative. Aliquot urine into a clean, plastic container with no metal cap or glued insert and refrigerate within 4 hours of completion of collection. Record 24 hour urine volume and collection dates/times on the request form. Collection must take place prior to or 48 hours after administering gadolinium-containing contrast media.

Contraindications
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Normal Volume
10 mL aliquot of 24 hour urine collection.
Minimum Volume
2 mL aliquot of 24 hour urine collection.
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
83825
Fee Code
33261
LOINC
6693-6
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