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

Creatinine,U, Urine

This test measures creatinine levels in a sample of your blood and/or urine (pee). Creatinine is a normal waste product in your body.

Creatinine Test, MedlinePlus, National Library of Medicine

Primary unit
mg/dL
LOINC codes
20624-3
Tests that measure Creatinine,U, Urine
Labcorp 2

Tests

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

Labcorp 2 tests

Panels that include this biomarker

  • AspirinWorks® (11-Dehydro Thromboxane B2) 117320

    3 analytes · Urine · Fasting not stated · Turnaround 4 - 9 days

    Method and collection
    Method
    Enzyme-linked immunoassay AspirinWorks® is a registered trademark of Corgenix Medical Corp, Broomfield, CO.
    Collection
    1. Instruct the patient to collect at least 10 mL of urine in the urine collection cup. 2. Transfer at least 5 mL of urine into a BD C&S Vacutainer® tube or BD UAP Vacutainer® tube as soon as possible after collection. 3. Cap and mix by gentle inversion. 4. Transfer the contents of the BD C&S Vacutainer® tube or BD UAP Vacutainer® tube to a PP transpack frozen purple tube. Apply appropriate screw cap and freeze immediately. Maintain frozen during transport.
    Reference notes
    Result less or equal to 1500 pg 11dhTxB2 per mg creatinine in a patient on aspirin therapy is consistent with a healthy population responsive to aspirin. If the patient is not on chronic aspirin therapy, the patient may have taken an as−needed aspirin or another aspirin−like platelet suppressing agent, such as omega-3 fatty acids or green tea extract. If the patient is on aspirin therapy, a urinary level above 1500 pg 11dhTxB2/mg creatinine suggests an inadequate response to aspirin. This result is in the range of response that would be expected in an individual not on aspirin therapy. A limitation of this assay for determining aspirin response is extra-platelet sources of TXA2 (e.g., monocytes, macrophages). Unlike platelets, monocytes and macrophages can synthesize new cyclooxygenase following its inhibition by aspirin. This likely contributes significantly to the pool of TXA2 and therefore to the pool of metabolites such as 11dhTxB2, especially in those individuals with a high monocyte/macrophage burden.
    Labcorp catalog page

  • Creatine and Creatinine, 24-Hour Urine 003855

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

    Method and collection
    Method
    Spectrophotometry
    Collection
    Collect 24-hour urine, no preservative. Mix well.
    Labcorp catalog page

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Sources

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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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