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

DHA, C22:6w3

Primary unit
nmol/mL
LOINC codes
35174-2
Tests that measure DHA, C22:6w3
Labcorp 2, Quest Diagnostics 2

Tests

Check the catalog code, specimen, method and preparation for every test that measures DHA, C22:6w3. Select up to five tests to compare them side by side.

Labcorp 2 tests

Panels that include this biomarker

  • Essential Fatty Acid Profile, C12-C22 070325

    29 analytes · Serum · Fasting not stated · Turnaround 5 - 10 days

    Method and collection
    Method
    Gas chromatography/mass spectrometry (GC/MS)
    Preparation
    Patients should fast overnight (12-14 hours) . Please note: Infants and individuals suspected of having a fatty acid oxidation disorder should not fast prior to testing because of the risk of acute metabolic decompensation. For these patients, collect the specimen immediately before feeding . If the patient is receiving total parenteral nutrition (TPN) , the specimen can be collected under normal conditions. Patients must not consume any alcohol for 24 hours prior to collecting. Patient age is required as well as information regarding treatment, family history and tentative diagnosis.
    Collection
    Collect sample by venipuncture into an appropriate blood collection tube (red-top blood collection tube is preferred) and mix immediately by gentle inversion. Allow serum samples to clot for at least 10 minutes. Separate plasma/serum from red cells by centrifugation within 45 minutes of collection. Transfer serum or plasma to a plastic transport tube and freeze . To avoid delays in turnaround time when requesting multiple tests on frozen specimens, please submit separate frozen specimens for each test requested .
    Labcorp catalog page

  • Fatty Acid Profile, Comprehensive C8-C26 070405

    42 analytes · Serum · Fasting not stated · Turnaround 5 - 10 days

    Method and collection
    Method
    Gas chromatography/mass spectrometry (GC/MS)
    Preparation
    Patients should fast overnight (12-14 hours) . Please note: Infants and individuals suspected of having a fatty acid oxidation disorder should not fast prior to testing because of the risk of acute metabolic decompensation. For these patients, collect the specimen immediately before feeding . If the patient is receiving total parenteral nutrition (TPN) , the specimen can be collected under normal conditions. Patients must not consume any alcohol for 24 hours prior to collecting. Patient age is required as well as information regarding treatment, family history and tentative diagnosis.
    Collection
    Collect sample by venipuncture into an appropriate blood collection tube (red-top blood collection tube is preferred) and mix immediately by gentle inversion. Allow serum samples to clot for at least 10 minutes. Separate plasma/serum from red cells by centrifugation within 45 minutes of collection. Transfer serum or plasma to a plastic transport tube and freeze . To avoid delays in turnaround time when requesting multiple tests on frozen specimens, please submit separate frozen specimens for each test requested .
    Labcorp catalog page

Quest Diagnostics 2 tests

Panels that include this biomarker

  • Fatty Acid Panel, Essential (C12-C22), Serum 11254

    50 analytes · Serum · No fasting · Turnaround Set up: Tues, Thurs, Sat

    Method and collection
    Method
    Gas Chromatography/Tandem Mass Spectrometer
    Preparation
    Fasting required (overnight fast). No alcohol consumption for 24 hours prior to draw. For pediatric patients, fasting is not required, but sample collection should occur prior to the next meal or scheduled feeding.
    Collection
    Patient age and gender are required for reporting
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Fatty Acid Panel, Comprehensive (C8-C26), Serum 17568

    74 analytes · Serum · No fasting · Turnaround Set up: Tues, Thurs, Sat

    Method and collection
    Method
    Gas Chromatography/Tandem Mass Spectrometer
    Preparation
    Fasting required (overnight fast). No alcohol consumption for 24 hours prior to draw. For pediatric patients, fasting is not required, but sample collection should occur prior to the next meal or scheduled feeding.
    Collection
    Patient age and gender are required for reporting
    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.

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