Lead, 24-hour Urine

Last Modified: 4/12/2019 10:17:28 AM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 7.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container
Collection Instructions:

1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container. 
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container. 
4. Urine Specimen should be kept refrigerated during and after collection. 

For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D

Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container. NOTE: Test performed on a specimen submitted in a nontrace element tube/container (not acid-washed) may not accurately reflect the patient's level. If a nontrace element tube/container is received, it will be accepted for testing; however, elevated results are reported with a message that resubmission with a trace element tube/container is recommended.Avoid worksite collection

Minimum Volume: 3.0 mL Urine
Transport & Storage: Temperature/Stability: 48 hours Ambient
5 days Refrigerated (transport)
14 days Frozen
Reference Range:

< 80 mcg/L

Critical Ranges:  
Test Comments:  
Methodology: ICP/MS
Clinical Significance: To follow chelation therapy
Custom Panel: No


Turn Around Time: 3 to 6 days
Days Performed: Monday, Wednesday, Friday
Sites Performed: Quest - Valencia
PHL Test Code: UL241
EPIC Test Code: LAB404
Send Out Test Code: 36440
Included Tests:  
CPT Coding: 83655

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