Test Code SQ ULEADM, EPIC LAB404 Lead, 24 Hour, Urine
Additional Codes
Mayo Test ID |
---|
PBU |
Reporting Name
Lead, 24 Hr, UUseful For
Detecting clinically significant lead exposure
Performing Laboratory

Specimen Type
UrineSpecimen Required
Collection Container/Tube: Clean, plastic urine container with no metal cap or glued insert
Submission Container/Tube: Plastic, 10-mL urine tube (T068) or a clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 10 mL
Collection Instructions:
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Additional Information:
1. 24-Hour volume is required.
2. See Urine Preservatives in Special Instructions for multiple collections.
3. 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.
Specimen Minimum Volume
2 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Urine | Refrigerated (preferred) | 28 days |
Ambient | 28 days | |
Frozen | 28 days |
Special Instructions
Reference Values
0-4 mcg/specimen
Reference values apply to all ages.
Day(s) and Time(s) Performed
Monday through Friday; 3 p.m.-9 p.m.; Saturday; 8 a.m.-3 p.m.; Continuously
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 U.S. Food and Drug Administration.CPT Code Information
83655
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PBU | Lead, 24 Hr, U | 5677-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
31085 | Lead, 24 Hr, U | 5677-0 |
TM83 | Collection Duration | 13362-9 |
VL84 | Urine Volume | 3167-4 |
866 | Pb Concentration | 20625-0 |
Reject Due To
Hemolysis |
NA |
Lipemia |
NA |
Icterus |
NA |
Other |
NA |
Method Name
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)