Biomarker Lens

Common biomarkers

  • Hemoglobin
  • Glucose
  • ALT
  • Apolipoprotein B
  • C-Reactive Protein, Cardiac
  • Ferritin
  • Alb/Creat Ratio, Urine
  • Alkaline Phosphatase
  • FSH
  • T4,Free(Direct)

Biomarkers · Chemical

Lead/Creat. Ratio, Urine

Primary unit
ug/g creat
LOINC codes
13466-8
Tests that measure Lead/Creat. Ratio, Urine
Labcorp 4, Quest Diagnostics 4

Tests

Check the catalog code, specimen, method and preparation for every test that measures Lead/Creat. Ratio, Urine. Select up to five tests to compare them side by side.

Labcorp 4 tests

Panels that include this biomarker

  • Lead, Urine 007633

    4 analytes · Urine · Fasting not stated · Turnaround 3 - 4 days

    Method and collection
    Method
    Inductively coupled plasma/mass spectrometry (ICP/MS)
    Collection
    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. Optional protocol: If the specimen is a 24-hour collection, instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Collect without preservatives. Mix well. Sampling time is not critical for industrial monitoring.
    Reference notes
    • Environmental exposure: <50 μg/L, <80 μg/24 hours • Occupation exposure: BEI® (sampling time is not critical): 150 μg/g creatinine;1 chelation therapy: <600 μg/24 hours (after 1 g EDTA I.V. or 2 g DMSA P.O.)
    Labcorp catalog page

  • Heavy Metals Profile I, Urine 007046

    9 analytes · Urine · Fasting not stated · Turnaround 3 - 6 days

    Method and collection
    Method
    Inductively coupled plasma-mass spectrometry (ICP-MS)
    Preparation
    Patient should avoid seafood and red wine 72 hours prior to collection.
    Collection
    Sampling time is not critical for industrial monitoring. Optional protocol : Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Avoid contact with metal during collection. Screw the lid on securely. See individual tests for collection times for industrial monitoring.
    Labcorp catalog page

  • Heavy Metals Profile II, Urine 250281

    12 analytes · Urine · Fasting not stated · Turnaround 3 - 6 days

    Method and collection
    Method
    Inductively-coupled plasma/mass spectrometry (ICP/MS)
    Preparation
    Patient should avoid seafood and red wine 72 hours prior to collection.
    Collection
    Optional protocol : Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Avoid contact with metal during collection. Screw the lid on securely. See individual tests for collection times for industrial monitoring.
    Reference notes
    See individual tests.
    Labcorp catalog page

  • Common Alloy Elements Profile 007069

    21 analytes · Urine · Fasting not stated · Turnaround 3 - 5 days

    Method and collection
    Method
    Inductively-coupled plasma-mass spectrometry (ICP/MS)
    Preparation
    Patient must avoid seafood and red wine 72 hours prior to collection.
    Collection
    Collect 24-hour urine without preservatives. Mix well.
    Labcorp catalog page

Quest Diagnostics 4 tests

Panels that include this biomarker

  • Heavy Metals Panel, Random Urine 7507

    4 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Colorimetric (C) • Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
    Preparation
    Avoid seafood consumption for 48 hours prior to collection
    Collection
    Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
    Reference notes
    See individual tests
    Quest Diagnostics catalog page

  • Heavy Metals Panel with Cadmium, Random Urine 15110

    5 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
    Preparation
    Avoid seafood consumption for 48 hours prior to collection
    Collection
    Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
    Reference notes
    See individual tests
    Quest Diagnostics catalog page

  • Heavy Metals Comprehensive Panel, Urine 14573

    7 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
    Preparation
    Avoid seafood consumption for 48 hours prior to collection
    Collection
    Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container. Tests performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a re-submission with a trace element tube/container is recommended.
    Reference notes
    See individual tests
    Quest Diagnostics catalog page

  • Heavy Metals Panel 5A, Urine (CSA) 35402

    11 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Colorimetry (C) • Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
    Preparation
    Avoid exposure to gadolinium-based contrast media for 48 hours prior to sample collection. Avoid seafood consumption for 48 hours prior to sample collection.
    Collection
    Unpreserved urine should be refrigerated immediately and analyzed within 1 week of collection. Acceptable preservatives include: Trace metal-free hydrochloric acid or nitric acid (0.1 mL of 12M acid/10 mL urine).
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

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We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

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