Sign in →

Test Code HGRCR Mercury/Creatinine Ratio, Random, Urine


Specimen Required


Patient Preparation: 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.

Supplies: Urine Tubes, 10 mL (T068)

Collection Container/Tube: Clean, plastic urine container with no metal cap or glued insert

Submission Container/Tube: Plastic, 10-mL urine tube (T068) or clean, plastic aliquot container with no metal cap or glued insert

Specimen Volume: 3 mL

Collection Instructions:

1. Collect urine a random urine specimen.

2. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.


Useful For

Detecting mercury toxicity, a toxic heavy metal, in random urine specimens

Profile Information

Test ID Reporting Name Available Separately Always Performed
HGRC Mercury/Creatinine Ratio, U No Yes
CDCR Creatinine Conc No Yes

Method Name

HGRC: Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

CDCR: Enzymatic Colorimetric Assay

Reporting Name

Mercury/Creat Ratio, Random, U

Specimen Type

Urine

Specimen Minimum Volume

1.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 7 days
  Frozen  7 days

Reference Values

0-17 years: not established

≥18 years: <2 mcg/g creatinine

Day(s) and Time(s) Performed

Monday through Saturday; 7 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

See Individual Test IDs

CPT Code Information

83825

82570

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HGRCR Mercury/Creat Ratio, Random, U 13465-0

 

Result ID Test Result Name Result LOINC Value
CDCR Creatinine Conc 2161-8
48546 Mercury/Creatinine Ratio, U 13465-0