Mercury, urine

Alphabetical Test listing

Mercury, urine-994

Test name:

Mercury, urine

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Hg, urine

Tests included:

Mercury, urine
Creatinine, urine
Mercury:creatinine ratio

Useful for:

Monitor exposure to mercury (primarily inorganic mercury).

Specimen type:

Urine, random

Collection container:

Sterile cup w/ yellow cap, 90mL (LabCorp)

Volume:

5 mL

Minimum volume:

2.5 mL

Collection instructions:

Sampling time is pre-shift (meaning 16 hours without exposure) for industrial monitoring.

Transport container:

Sterile cup w/ yellow cap, 90mL (LabCorp)

Alternate collection container:

24 hr urine collection container, no additive

Alternate collection instructions:

How to collect a 24 hr urine sample

Alternate processing instructions:

Measure and record total volume
Mix well
Transfer a 5mL aliquot to a Sterile cup w/ yellow cap, 90mL (LabCorp)

Transport and stability:

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x3

Reason for rejection:

Preserved specimens

Performing lab:

LabCorp Burlington (007773): R-NX

Days set up:

Mo - Fr

TAT:

6 days

Method:

Inductively-coupled plasma/mass spectrometry (ICP/MS)

Reference ranges:

Environmental exposure:

< 5.0 μg/g creatinine, < 20.0 μg/L

Occupational exposure:

BEI® (inorganic mercury, sampling time is preshift): 35 μg/g creatinine

Clinical information:

Some organic forms of mercury, including phenylmercury, are metabolized to inorganic mercury; however, methylmercury and ethylmercury are not metabolized to inorganic mercury and the primary route of excretion is in the bile and stool; consequently, these alkylmercury compounds are usually not detected in urine.

CPT codes:

82570
83825

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

LOINC code:

Result 21383-5

Date created:

05/24/2019

Revised date:

02/20/2024

Review date:

02/20/2024