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

Dopamine, Ur, 24hr, Urine

Primary unit
ug/24 hr
LOINC codes
2218-6
Tests that measure Dopamine, Ur, 24hr, Urine
Quest Diagnostics 3

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, Dopamine, Urine 14763

PopulationInterval
PediatricNot Established
Adult52-480 mcg/24 h

Quest Diagnostics test catalog, 14763

Tests

Check the catalog code, specimen, method and preparation for every test that measures Dopamine, Ur, 24hr, Urine. Select up to five tests to compare them side by side.

Quest Diagnostics 3 tests

Single-analyte tests

  • Dopamine, Urine 14763

    Urine · Fasting not stated · Turnaround Set up: Mon-Fri (p.m.)

    Method and collection
    Method
    Liquid Chromatography/Mass Spectrometry (LC/MS)
    Preparation
    It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection.
    Collection
    Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen
    Quest Diagnostics catalog page

Panels that include this biomarker

  • Catecholamines, Fractionated, 24-Hour Urine without Creatinine 318

    4 analytes · Urine · Fasting not stated · Turnaround Set up: Mon-Wed, Fri, Sat a.m.; Report available: 4 days

    Method and collection
    Method
    Liquid Chromatography/Mass Spectrometry (LC/MS)
    Preparation
    It is preferable for the patient to be off medications for a minimum of 18-24 hours prior to collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) may cause minimal or no interference. Patient should avoid tobacco, tea, coffee, and strenuous exercise for 8-12 hours prior to collection.
    Collection
    Collect 24-hour urine with 25 mL 6N HCL to maintain a pH ≤3. If no preservative is used, specimen must be stored refrigerated during collection but shipped frozen and pH must be ≤6. Record 24-hour urine volume and patient's age on test request form and on urine container.
    Reference notes
    Epinephrine, 24 hr Urine Pediatric | Not Established Adults | ≤24 mcg/24 h Norepinephrine, 24 hr Urine Pediatric | Not Established Adults | ≤100 mcg/24 h Calculated Total (E+NE) Pediatric | Not Established Adults | 26-121 mcg/24 h Dopamine, 24 hr Urine Pediatric | Not Established Adults | 52-480 mcg/24 h
    Quest Diagnostics catalog page

  • Catecholamines, Fractionated, 24-Hour Urine with Creatinine 39627

    5 analytes · Urine · Fasting not stated · Turnaround Set up: Mon-Fri p.m.

    Method and collection
    Method
    Liquid Chromatography/Mass Spectrometry (LC/MS)
    Preparation
    It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensives (diuretics, ACE Inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection.
    Collection
    Collect 24-hour urine with 25 mL of 6N HCl to maintain a pH ≤3. If no preservative is used, specimen must be stored refrigerated during collection but shipped frozen and pH must be ≤6. Record 24-hour urine volume and patient's age on test request form and urine container.
    Reference notes
    See Laboratory Report
    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.

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