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

Beta-2/Crt Ratio, U, Urine

Primary unit
ug/g creat
LOINC codes
13485-8
Tests that measure Beta-2/Crt Ratio, U, Urine
Labcorp 1, Quest Diagnostics 1

Tests

Check the catalog code, specimen, method and preparation for every test that measures Beta-2/Crt Ratio, U, Urine. Select up to five tests to compare them side by side.

Labcorp 1 test

Panels that include this biomarker

  • Cadmium Standard Profile 724344

    6 analytes · Blood · Fasting not stated · Turnaround 2 - 4 days

    Method and collection
    Method
    See individual tests.
    Collection
    As β2-microglobulin can degrade under acidic conditions in the bladder, workers should empty their bladder and then drink a large glass of water at the start of the visit. Urine should then be collected within one hour. The pH of the urine should be measured and adjusted to 6-8, if necessary, using 0.1 N NaOH.
    Labcorp catalog page

Quest Diagnostics 1 test

Panels that include this biomarker

  • Beta-2-Microglobulin, Random Urine with Creatinine 38994

    2 analytes · Urine · Fasting not stated

    Method and collection
    Method
    Immunoturbidimetric
    Preparation
    Patient should void bladder, then drink at least 500 mL of (approximately 17 oz) of water.
    Collection
    ⁠⁠⁠⁠⁠⁠⁠Beta-2 Microglobulin 1. Patient should void bladder, then drink at least 500 mL (approximately 17 oz) of water. 2. A urine sample should be collected within 1 hour. 3. Pour exactly 10 mL of random urine into a Quest Diagnostics Beta-2 Microglobulin Transport Tube (available through Client Supply). 4. Ship room temperature. 5. Alternatively, if the collection tubes are not available, pH of the specimen must be adjusted to between 6 and 8 using 1N NaOH prior to shipping. Beta-2 Microglobulin in urine is unstable in acidic urine (less than pH 6). Exactly 10 mL of urine in the Quest Diagnostics Beta-2 Microglobulin Transport Tube is required to achieve the required pH of between 6 and 8. Any volume of urine above or below 10 mL will result in a pH that is outside the acceptable range. Creatinine 1. Pour 10 mL of random unpreserved urine, collected in a plastic urine container into a plastic transport tube.
    Reference notes
    B2 Microglobulin/Creatinine Ratio ≤132 mcg/g creat Creatinine, Random Urine ≤6 Months 2-28 mg/dL 7-11 Months 2-31 mg/dL 1-2 Years 2-110 mg/dL 3-8 Years 2-130 mg/dL 9-12 Years 2-160 mg/dL >12 Years Male 20-320 mg/dL >12 Years Female 20-275 mg/dL
    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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