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

VMA, Urine

Primary unit
mg/L
LOINC codes
14948-4, 9624-8
Tests that measure VMA, Urine
Labcorp 3, Quest Diagnostics 1

Tests

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

Labcorp 3 tests

Panels that include this biomarker

  • Vanillylmandelic Acid (VMA), 24-Hour Urine 004143

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

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Preparation
    Patient should avoid salicylates, caffeine, phenothiazine, and antihypertension agents. Also coffee, tea, chocolate, fruit (especially bananas and any vanilla containing substances for 72 hours prior to collection).
    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). Measure and record total urine volume. Mix well; send aliquot. Label container with patient's name, date and time collection started, and date and time collection completed.
    Reference notes
    0.0−7.5 mg/24 hours
    Labcorp catalog page

  • Vanillylmandelic Acid (VMA), Random Urine 123208

    3 analytes · Urine · Fasting not stated · Turnaround 4 - 7 days

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Preparation
    Patient should avoid salicylates, caffeine, phenothiazine, and antihypertension agents. Also coffee, tea, chocolate, fruit (especially bananas and any vanilla-containing substances for 72 hours prior to collection).
    Collection
    If specimen is to be stored for longer than seven days before analysis, use random urine transport tube.
    Reference notes
    Pediatric patients1 and adults: VMA:creatinine ratio • Up to 2 years: 0.0−18.8 mg/g creatinine • 2 to 4 years: 0.0−11.0 mg/g creatinine • 5 to 9 years: 0.0−8.3 mg/g creatinine • 10 to 19 years: 0.0−8.2 mg/g creatinine • Older than 19 years: 0.0−6.0 mg/g creatinine
    Labcorp catalog page

  • Catecholamines, Fractionated, Urinary Free and Vanillylmandelic Acid (VMA), 24-Hour Urine 286161

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

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Preparation
    See Catecholamines, Fractionated, Urinary Free, 24-Hour Urine [004176] and Vanillylmandelic Acid (VMA), 24-Hour Urine [004143] .
    Collection
    Preservative must be added to the container prior to the start of collection. Collect 24-hour urine. Mix well. Send 60 mL aliquot. Record total 24-hour urine volume on test request form. Final pH must be <5. Note: Do not use boric acid or acetic acid as a preservative. Refer to the Preservative Quick Reference Chart in Specimen Collection: Urine Specimens .
    Labcorp catalog page

Quest Diagnostics 1 test

Panels that include this biomarker

  • Organic Acids, Comprehensive, Quantitative, Urine 35819

    93 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Gas Chromatography/Mass Spectrometry (GC/MS)
    Collection
    Sterile screw-cap container. Freeze immediately. Ship frozen. Do not thaw. Patient age should be included.
    Reference notes
    See Laboratory Report
    Quest Diagnostics 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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