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

Prothrombin Time with INR

LOINC codes
16135-6, 16136-4, 3181-5, 3182-3, 3243-3, 33930-9, 5902-2, 6301-6, 6303-2, 56850-1, 14979-9, 27816-8, 3209-4, 3226-8, 6014-5
Tests that measure Prothrombin Time with INR
Quest Diagnostics 3

Tests

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

Quest Diagnostics 3 tests

Panels that include this biomarker

  • Lupus Anticoagulant and Antiphospholipid Confirmation (on Coumadin®) 19672

    6 analytes · Plasma · Fasting not stated

    Method and collection
    Method
    Clot Detection • Clotting Assay • Immunoassay (IA) • Photo/Optical
    Collection
    Please submit a separate, frozen vial for each special coagulation assay ordered. Draw blood in a light blue-top tube containing 3.2% sodium citrate, mix gently by inverting 3-4 times. Centrifuge 15 minutes at 1500 g within one hour of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial(s). Freeze immediately and transport on dry ice.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Lupus Anticoagulant and Antiphospholipid Confirmation (on Coumadin®) with Consultation 19674

    7 analytes · Plasma · Fasting not stated

    Method and collection
    Method
    Clot Detection • Clotting Assay • Immunoassay (IA) • Photo/Optical
    Collection
    Please submit a separate, frozen vial for each special coagulation assay ordered. Draw blood in a light blue-top tube containing 3.2% sodium citrate, mix gently by inverting 3-4 times. Centrifuge 15 minutes at 1500 g within one hour of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial(s). Freeze immediately and transport on dry ice.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Menorrhagia Screen without Consultation 19649

    8 analytes · Plasma · Fasting not stated · Turnaround Set up: Varies with assay

    Method and collection
    Method
    Clotting Assay • Immunoturbidimetric • Platelet Agglutination • Photo/Optical • Photometric Clot Detection
    Collection
    Collect blood in 3 sodium citrate (light blue-top) tubes. Tubes must be filled to capacity to insure correct blood to anticoagulant ratio. Centrifuge whole blood at 1500 g for 15 minutes. Avoiding the buffy coat, transfer plasma using a plastic pipette into a new plastic tube and repeat centrifugation. Aliquot plasma using a plastic pipette into 3 new plastic vials and freeze. Specimens must remain frozen during storage and shipment. All requests for coagulation assays should include a brief patient history and other pertinent clinical information.
    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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