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Test ID PBUOE Lead Occupational Exposure, Random, Urine

Ordering Guidance

The Centers for Disease Control and Prevention recommends venous blood collection for lead testing; see PBDV / Lead, Venous, with Demographics, Blood.

Specimen Required

Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most metal 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 vial or clean, plastic aliquot container with no metal cap or glued insert

Specimen Volume: 3 mL

Collection Instructions:

1. Collect a random urine specimen.

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

Useful For

Detecting clinically significant lead exposure due to occupational exposure


This test is not a substitute for blood lead screening.

Profile Information

Test ID Reporting Name Available Separately Always Performed
PBOU Lead Occupational Exposure No No
CRETR Creatinine, Random, U No No

Method Name

PBOU: Triple Quadrupole Inductively Coupled Plasm Mass Spectrometry (ICP-MS/MS)

CRETR: Enzymatic Colorimetric Assay

Reporting Name

Lead Occupat Exp, Random, U

Specimen Type


Specimen Minimum Volume

1.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Reference Values

Biological Exposure Index (BEI): <150 mcg/g creatinine

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information



LOINC Code Information

Test ID Test Order Name Order LOINC Value
PBUOE Lead Occupat Exp, Random, U 13466-8


Result ID Test Result Name Result LOINC Value
CRETR Creatinine, Random, U 2161-8
608894 Lead Occupational Exposure 13466-8

Day(s) Performed

Monday through Friday

Report Available

2 to 4 days