UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for UCSF Clinical Laboratories

Lab Manual for SFGH

Internal Resources

Click here for more information about laboratory operations and procedures

If you have additional questions regarding this test, please call: 415-353-1667

Search Our Test Menu

Mercury, random urine

Item Value
Approval req'd? No
Available Stat? No
Test code HGUR
Test group Mercury
Performed by Quest
Sendout? Yes
Method Inductively-Coupled Plasma/Mass Spectrometry
Patient Preparation Patient should refrain from eating predatory fish such as swordfish, tuna and shark at least three days prior to specimen collection.
Collection Instructions Wash hands before sample collection. Wipe hand dry with lint free paper towel. Do not use recycled paper. Collect aliquot of the second morning urine.

For industrial monitoring, collect urine preshift.
Container type Urine cup
Amount to Collect See preferred volume
Sample type Random urine (2nd void)
Preferred volume 14 mL urine
Min. Volume 5 mL urine
Processing notes Use powderless gloves to pour sample into acid-washed shipping container, if needed, Cap securely, freeze at -20C and ship frozen to China Basin. Order Quest # 637
Units µg/g Creatinine (mcg/g Creatinine)
Normal range
Nonexposed ≥ 18 year olds ≤ 4 µg/g creatinine
Biologic exposure Index (preshift) ≤ 35 µg/g creatinine
Critical value Quest Priority-1: ≥ 150 µg/g creatinine
Synonyms Hg; heavy metal toxicity; heavy metal poisoning; heavy metals
Stability Room temperature 2 days, refrigerated 5 days, frozen at -20C 2 weeks
Turn around times Performed 5 days per week. Turn around 3-5 days.
CPT coding 82570-90, 83825-90
LOINC code 13465-0
Last Updated 3/24/2013 7:55:22 PM
Entry Number 1078
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center