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

Fibrosis-4 (FIB-4) Index

Primary unit
Index
LOINC codes
100894-5, 10834-0, 111579-9, 13457-7, 14957-5, 1742-6, 1751-7, 1759-0, 17861-6, 1884-6, 1920-8, 1975-2, 1986-9, 2028-9, 2075-0, 2085-9, 2093-3, 2160-0, 2161-8, 2345-7, 2571-8, 2823-3, 2885-2, 2951-2, 3016-3, 3094-0, 3097-3, 43396-1, 4548-4, 6768-6, 77202-0, 777-3, 80615-8, 88447-8, 89324-8, 92845-7, 9318-7, 94742-4, 9830-1, 98488-0, 98979-8
Tests that measure Fibrosis-4 (FIB-4) Index
Quest Diagnostics 1

Tests

Check the catalog code, specimen, method and preparation for every test that measures Fibrosis-4 (FIB-4) Index. Select up to five tests to compare them side by side.

Quest Diagnostics 1 test

Panels that include this biomarker

  • Cardiometabolic Disease Assessment (CMDA) Panel 14273

    11 analytes · Serum · Fasting not stated

    Method and collection
    Method
    Spectrophotometry (SP) • Immunoturbidimetric • Enzymatic • Immunocapture Liquid Chromatography/Tandem Mass Spectrometry • Electronic Cell Sizing/Counting/Cytometry/Microscopy • Immunoassay (IA)
    Preparation
    Patient should be fasting 9-12 hours Additional Considerations for Patient Preparation: Albumin, Random Urine with Creatinine: Exercise within 24 hours, infection, fever, congestive heart failure, marked hyperglycemia, and marked hypertension may elevate urinary albumin excretion over baseline values. Cholesterol and Triglyceride testing: The assay manufacturer Beckman Coulter advises "N-Acetyl Cysteine (NAC), when administered in therapeutic concentrations (for the treatment of acetaminophen overdose), has been determined to interfere with assays for cholesterol, uric acid" where "NAC interference may lead to falsely low results." According to Beckman Coulter, the NAC interference should be insignificant by 12 hours after completion of the initial loading dose of an IV infusion treatment regime consisting of an initial loading dose of 150 mg/kg administered over 1 hour, a second dose of 50 mg/kg administered over 4 hours and a third dose of 100 mg/kg administered over 16 hours. Comprehensive Metabolic Panel: Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods. ⁠⁠⁠⁠⁠⁠⁠TSH: Specimen collection after fluorescein dye angiography should be delayed for at least 3 days. For patients on hemodialysis, specimen collection should be delayed for 2 weeks after angiography. According to the assay manufacturer Siemens: samples containing fluorescein can produce falsely depressed values.
    Collection
    Serum: Allow serum samples to clot completely before centrifugation. Random urine: Mix-well if aliquoting. Whole blood: Maintain specimen at room temperature. Do not refrigerate. If multiple draw, collect lavender-top tube last. Traumatic venipuncture tap can introduce thromboplastin and trap white blood cells and platelets. Refrigeration can precipitate fibrin and trap white blood cells and platelets.
    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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