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

LDL Size

Primary unit
nm
LOINC codes
17782-4
Tests that measure LDL Size
Labcorp 9, Quest Diagnostics 2

Tests

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

Labcorp 9 tests

Panels that include this biomarker

  • NMR LipoProfile® Without Lipids (With Graph) 123489

    5 analytes · Serum · Fasting not stated · Turnaround 2 - 3 days

    Method and collection
    Method
    Nuclear magnetic resonance (NMR)
    Preparation
    Patient should be fasting for a minimum of eight to 12 hours.
    Collection
    Collect specimen in NMR LipoTube (black-and-yellow-top, gel-barrier), which is the preferred tube. Keep upright at room temperature for 30 minutes and allow to clot. Immediately after clotting, centrifuge at 1600 to 1800 xg for 10 to 15 minutes. The NMR LipoTube should then be stored at 2°C to 8°C until shipped. Do not open NMR LipoTube. For plain serum (red-top, no gel), keep upright at room temperature for 45 minutes and allow to clot. Centrifuge immediately after clotting. Separate serum and transfer to a plastic transport tube. The serum should then be stored at 2°C to 8°C until shipped. For EDTA plasma (lavender-top, no gel), invert tube several times to mix contents and centrifuge immediately after collection. Separate plasma and transfer to a plastic transport tube. The plasma should then be stored at 2°C to 8°C until shipped. Serum or plasma drawn in gel-barrier collection tubes other than the NMR LipoTube should not be used.
    Labcorp catalog page

  • NMR LipoProfile® Without Lipids (Without Graph) 884318

    5 analytes · Serum · Fasting not stated · Turnaround 2 - 3 days

    Method and collection
    Method
    Nuclear magnetic resonance (NMR)
    Preparation
    Patient should be fasting for a minimum of eight to 12 hours.
    Collection
    Collect specimen in NMR LipoTube (black-and-yellow-top, gel-barrier), which is the preferred tube. Keep upright at room temperature for 30 minutes and allow to clot. Immediately after clotting, centrifuge at 1600 to 1800 xg for 10 to 15 minutes. The NMR LipoTube should then be stored at 2°C to 8°C until shipped. Do not open NMR LipoTube. For plain serum (red-top, no gel), keep upright at room temperature for 45 minutes and allow to clot. Centrifuge immediately after clotting. Separate serum and transfer to a plastic transport tube. The serum should then be stored at 2°C to 8°C until shipped. For EDTA plasma (lavender-top, no gel), invert tube several times to mix contents and centrifuge immediately after collection. Separate plasma and transfer to a plastic transport tube. The plasma should then be stored at 2°C to 8°C until shipped. Serum or plasma drawn in gel-barrier collection tubes other than the NMR LipoTube should not be used.
    Labcorp catalog page

  • Lipoprotein Insulin Resistance Index (LP-IR) 884095

    7 analytes · Serum · Fasting not stated

    Method and collection
    Method
    Nuclear Magnetic Resonance (NMR)
    Preparation
    Patient should be fasting for a minimum of eight to 12 hours.
    Collection
    Collect specimen in NMR LipoTube (black-and-yellow-top, gel-barrier), which is the preferred tube. Keep upright at room temperature for 30 minutes and allow to clot. Immediately after clotting, centrifuge at 1600 to 1800 xg for 10 to 15 minutes. The NMR LipoTube should then be stored at 2°C to 8°C until shipped. Do not open NMR LipoTube. For plain serum (red-top, no gel), keep upright at room temperature for 45 minutes and allow to clot. Centrifuge immediately after clotting. Separate serum and transfer to a plastic transport tube. The serum should then be stored at 2°C to 8°C until shipped. For EDTA plasma (lavender-top, no gel), invert tube several times to mix contents and centrifuge immediately after collection. Separate plasma and transfer to a plastic transport tube. The plasma should then be stored at 2°C to 8°C until shipped. Serum or plasma drawn in gel-barrier collection tubes other than the NMR LipoTube should not be used.
    Labcorp catalog page

  • NMR LipoProfile® With Insulin Resistance Markers Without Lipids (With Graph) 123497

    9 analytes · Serum · Fasting not stated · Turnaround 2 - 3 days

    Method and collection
    Method
    Nuclear magnetic resonance (NMR)
    Preparation
    Patient should be fasting for a minimum of eight to 12 hours.
    Collection
    Collect specimen in NMR LipoTube (black-and-yellow-top, gel-barrier), which is the preferred tube. Keep upright at room temperature for 30 minutes and allow to clot. Immediately after clotting, centrifuge at 1600 to 1800 xg for 10 to 15 minutes. The NMR LipoTube should then be stored at 2°C to 8°C until shipped. Do not open NMR LipoTube. For plain serum (red-top, no gel), keep upright at room temperature for 45 minutes and allow to clot. Centrifuge immediately after clotting. Separate serum and transfer to a plastic transport tube. The serum should then be stored at 2°C to 8°C until shipped. For EDTA plasma (lavender-top, no gel), invert tube several times to mix contents and centrifuge immediately after collection. Separate plasma and transfer to a plastic transport tube. The plasma should then be stored at 2°C to 8°C until shipped. Serum or plasma drawn in gel-barrier collection tubes other than the NMR LipoTube should not be used.
    Labcorp catalog page

  • NMR LipoProfile® With Insulin Resistance Markers Without Lipids (Without Graph) 884209

    9 analytes · Serum · Fasting not stated · Turnaround 2 - 3 days

    Method and collection
    Method
    Nuclear magnetic resonance (NMR)
    Preparation
    Patient should be fasting for a minimum of eight to 12 hours.
    Collection
    Collect specimen in NMR LipoTube (black-and-yellow-top, gel-barrier), which is the preferred tube. Keep upright at room temperature for 30 minutes and allow to clot. Immediately after clotting, centrifuge at 1600 to 1800 xg for 10 to 15 minutes. The NMR LipoTube should then be stored at 2°C to 8°C until shipped. Do not open NMR LipoTube. For plain serum (red-top, no gel), keep upright at room temperature for 45 minutes and allow to clot. Centrifuge immediately after clotting. Separate serum and transfer to a plastic transport tube. The serum should then be stored at 2°C to 8°C until shipped. For EDTA plasma (lavender-top, no gel), invert tube several times to mix contents and centrifuge immediately after collection. Separate plasma and transfer to a plastic transport tube. The plasma should then be stored at 2°C to 8°C until shipped. Serum or plasma drawn in gel-barrier collection tubes other than the NMR LipoTube should not be used.
    Labcorp catalog page

Quest Diagnostics 2 tests

Panels that include this biomarker

  • Cardio IQ® Lipoprotein Fractionation, Ion Mobility 91604

    6 analytes · Serum · No fasting · Turnaround Set up: Tues-Sat

    Method and collection
    Method
    Ion Mobility
    Preparation
    Fasting preferred. Non-fasting acceptable.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Lipoprotein Fractionation, NMR 37847

    8 analytes · Serum · Fasting not stated · Turnaround Set up: Daily

    Method and collection
    Method
    Nuclear Magnetic Resonance
    Preparation
    Patient should be fasting 12 hours
    Collection
    1. Gently invert draw tube 5X (DO NOT SHAKE). 2. Let blood clot for 30-60 minutes at room temperature. 3. Centrifuge for 10 minutes. 4. Aliquot top layer from red-top draw tube and place SERUM in transport tube and dispose of draw tube. Label the transport tube as "No Additive Serum Red". ONLY ship No Additive Serum in transport tube. 5. Store and transport refrigerated. Specimen is stable at -20° for 10 days and -70° for 28 days but CANNOT BE SHIPPED ON DRY ICE. Note: Adults without other risk factors for heart disease should receive a lipid panel once every five years. Individuals who have had an abnormal lipid panel, or those who have other cardiovascular risk factors, may be tested more frequently.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

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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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