Lead, urine-994
Test info
Lead, urine
994
LAB994
MSO
Pb, urine
Lead, urine
Creatinine, urine
Lead:creatinine ratio
Lead, urine (24-hour)
Creatinine, urine
Lead:creatinine ratio
Lead, urine (24-hour)
Monitor exposure to lead or lead chelation therapy
Specimen
Urine, random
5.0 mL
2.5 mL
Sampling time is not critical for industrial exposure monitoring. Metals with timing "not critical" have very long elimination half-lives and accumulate in the body over years, some for a lifetime. After a couple of weeks of exposure, specimens can be collected at any time.
Transfer urine to a Transfer vial/tube with cap - 12mL (LabCorp)
Urine, 24 hr
- Measure and record the total volume
- Mix well
- Transfer a 5mL aliquot to a Transfer vial/tube with cap - 12mL (LabCorp)
Ambient (preferred) - 14 days
Refrigerated - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x3
- Preserved specimens
Performance
LabCorp Burlington (007633): R-NX
Mo - Fr
5 days
Inductively coupled plasma/mass spectrometry (ICP/MS)
Clinical and Interpretive info
Environmental exposure
<50 μg/L, <80 μg/24 hours
Occupational exposure
BEI® (sampling time is not critical): 150 μg/g creatinine
Chelation therapy: <600 μg/24 hours (after 1 g EDTA I.V. or 2 g DMSA P.O.)
Billing
83655
82570
82570
Yes
Result 20625-0
Tracking
05/24/2019
02/20/2024
02/20/2024