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  Lead, Random Urine

U LEADRAND
Example Reports
High
Normal

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Public Health Demographics Form: submit ONLY if complete demographic info is not transmitted to ARUP

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Specimen Collection and Handling

Ordering Recommendation

May be useful in the assessment of chronic lead exposure or in monitoring chelation therapy. For routine testing of lead exposure, Lead, Blood (Venous) (0020098) is preferred. For occupational exposure, consider Lead, Industrial Exposure Panel, Adults (0025016).

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and nonessential over-the-counter medications (upon the advice of their physician). High concentrations of iodine may interfere with elemental testing. Collection of urine specimens from patients receiving iodinated or gadolinium-based contrast media should be avoided for a minimum of 72 hours post exposure. Collection from patients with impaired kidney function should be avoided for a minimum of 14 days post contrast media exposure.

Collect

Random urine.

Specimen Preparation

Transfer an 8 mL aliquot from a well-mixed collection to ARUP Trace Element-Free Transport Tubes (ARUP supply #43116), available online through eSupply using ARUP Connect(TM) or contact ARUP Client Services at 800-522-2787. (Min: 1 mL)

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions

Urine collected within 72 hours after administration of iodinated or gadolinium-based contrast media.

Remarks
Stability

Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 1 year

Methodology

Quantitative Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Performed

Sun-Sat

Reported

1-5 days

Reference Interval

  Effective November 12,2018

Test Number
 Components
 Reference Interval
  Lead, Urine - ratio to CRT Less than or equal to 5.0 microg/g CRT
  Lead, Urine - per volume Less than or equal to 5.0 microg/L

Interpretive Data

  Elevated results may be due to skin or collection-related contamination, including the use of collection containers that are not certified to be trace element-free. If an elevated result is suspected to be due to contamination, confirmation with a second specimen collected in a certified trace element-free container is recommended.
Methodology: Inductively Coupled Plasma - Mass Spectrometry (ICP-MS)

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
01/20/2026
X
X
N/A

CPT Codes

83655

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Components

Component Test Code* Component Chart Name LOINC
0020207 Creatinine, Urine - per volume 35674-1
0025062 Lead, Urine - per volume 30931-0
0025065 Lead, Urine - ratio to CRT 13466-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Lead/Creatinine Ratio, Random, Urine
  • Normalized Urine Lead
  • Pb
  • Pb urine
  • urine lead concentration
Lead, Random Urine