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

Ritalinic Acid, Urine

LOINC codes
33507-5, 99110-9
Tests that measure Ritalinic Acid, Urine
Labcorp 2, Quest Diagnostics 1

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Drug Monitoring, Methylphenidate Metabolite, Quantitative, Urine 39409

PopulationInterval
Ritalinic Acid<100 ng/mL

Quest Diagnostics test catalog, 39409

Tests

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

Labcorp 2 tests

Panels that include this biomarker

  • Methylphenidate and Metabolite, Qualitative, Urine 701622

    2 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Labcorp catalog page
  • ToxAssure® Flex Sympathomimetics Confirmation, Urine 912856

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

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Labcorp catalog page

Quest Diagnostics 1 test

Single-analyte tests

  • Drug Monitoring, Methylphenidate Metabolite, Quantitative, Urine 39409

    Urine · Fasting not stated

    Method and collection
    Method
    Mass Spectrometry (MS)
    Quest Diagnostics catalog page

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Sources

Verify these ranges and sources

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.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

Spotted an error? Email hello@biomarkerlens.com with the page URL and the primary source that corrects the entry.