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

Cholinesterase, Serum

Primary unit
IU/L
LOINC codes
2098-2
Tests that measure Cholinesterase, Serum
Quest Diagnostics 2, Labcorp 1

Tests

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

Quest Diagnostics 2 tests

Single-analyte tests

  • Cholinesterase, Plasma 335

    Plasma · Fasting not stated · Turnaround Set up: Tues-Sat (p.m.); Report available: 4 days

    Method and collection
    Method
    Kinetic Spectrophotometric (KS)
    Collection
    Draw an EDTA (lavender-top) tube of whole blood. Spin tube to separate plasma. Pour plasma into plastic aliquot tube and refrigerated until shipping. Ship plasma sample refrigerated. Do not send packed cells. Do not send one tube of whole blood. Plasma cholinesterase results are not accurate if plasma sample is not separated from RBCs in a timely manner (within 1 hour). Hemolyzed plasma can lead to apparent increases in plasma cholinesterase activity, and could mask an enzyme deficiency.
    Reference notes
    Male 3334-7031 IU/L Female 2504-6297 IU/L
    Quest Diagnostics catalog page

  • Cholinesterase, Serum 37965

    Serum · Fasting not stated · Turnaround Set up: Mon-Fri (a.m.)

    Method and collection
    Method
    Spectrophotometric Kinetic
    Collection
    Centrifuge and transfer serum specimens to clean, transport tube(s). Plasma is not acceptable.
    Reference notes
    Male 3342-7586 IU/L Female 2673-6592 IU/L
    Quest Diagnostics catalog page

Labcorp 1 test

Single-analyte tests

  • Cholinesterase 007211

    Serum · Fasting not stated · Turnaround 4 - 6 days

    Method and collection
    Method
    Spectrophotometry (Ellman) − kinetic
    Collection
    Separate serum from cells immediately after clotting (30 minutes) and place in transport tube. Mark transport tube “serum”.
    Reference notes
    • Male: − 1 day to 5 years: Not established − 6 to 17 years: 1396−3282 U/L − 18 to 70 years: 1801−3537 U/L − 71 years and older: 903−2964 U/L • Female: − 1 day to 1 year: Not established − 2 to 12 years: 1649−2940 U/L − 13 to 50 years: 1247−2978 U/L − 51 to 80 years: 1355−3299 U/L − 81 years and older: Not established
    Labcorp 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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