Test ID PBCU Lead/Creatinine Ratio, Urine
Specimen Required
Only orderable as part of profile. For more information see:
-PBUCR / Lead/Creatinine Ratio, Random, Urine
-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine
Reporting Name
Lead/Creatinine Ratio, USpecimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Report Available
2 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PBCU | Lead/Creatinine Ratio, U | 13466-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 608904 | Lead/Creatinine Ratio, U | 13466-8 |
Useful For
Detecting clinically significant lead exposure using random urine specimens
This test is not a substitute for blood lead screening.
Day(s) Performed
Monday through Friday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83655
Specimen Minimum Volume
1.5 mL
Reference Values
Only orderable as part of profile. For more information see:
-PBUCR / Lead/Creatinine Ratio, Random, Urine
-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine
0-17 years: Not established
≥18 years: <2 mcg/g creatinine
Method Name
Only orderable as part of profile. For more information see:
-PBUCR / Lead/Creatinine Ratio, Random, Urine
-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine
Triple-Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)