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HelpOrder Code 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
Useful For
Detecting clinically significant lead exposure using random urine specimens
This test is not a substitute for blood lead screening.
Special Instructions
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)
Reporting Name
Lead/Creatinine Ratio, USpecimen Type
UrineSpecimen Minimum Volume
1.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.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 Description
The metal of interest is analyzed by triple-quadrupole inductively coupled plasma mass spectrometry.(Unpublished Mayo method)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Day(s) Performed
Monday through Friday
CPT Code Information
83655