Cholinesterase, RBC and Plasma

LOINC codes: 2099-0
Tests that measure Cholinesterase, RBC and Plasma: Quest Diagnostics 2

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Cholinesterase, RBC and Plasma 338

Population	Interval
Cholinesterase, RBC	9572-15031 IU/L
Cholinesterase, Plasma	Not stated
Male	3334-7031 IU/L
Female	2504-6297 IU/L

Quest Diagnostics test catalog, 338

Quest Diagnostics, Cholinesterase, Serum, Plasma, RBC 39481

Population	Interval
Cholinesterase, Serum	Not stated
Male	3342-7586 IU/L
Female	2673-6592 IU/L
Cholinesterase, RBC	9572-15031 IU/L
Cholinesterase, Plasma	Not stated
Male	3334-7031 IU/L
Female	2504-6297 IU/L

Quest Diagnostics test catalog, 39481

Tests

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

Quest Diagnostics 2 tests

Single-analyte tests

Cholinesterase, RBC and Plasma 338
Plasma · Fasting not stated · Turnaround Set up: Mon-Fri (a.m.); Report available: 4 days
Method and collection
Method
Kinetic Spectrophotometric (KS)
Collection
Draw two EDTA (lavender-top) tubes of whole blood. Spin one tube to separate plasma. Pour plasma into plastic aliquot tube (label this vial as plasma). Send one 4 mL refrigerated uncentrifuged whole blood (3 mL minimum) and 1 mL refrigerated plasma (0.5 mL minimum). Do not send packed cells. Do not send only one tube of whole blood. Plasma cholinesterase results, as well as the calculated RBC cholinesterase results, are not accurate if plasma sample is not separated from the RBC's in a timely manner. Hemolyzed plasma samples are not acceptable. Hemolysis can lead to apparent increases in plasma cholinesterase activity, and could mask an enzyme deficiency.
Quest Diagnostics catalog page
Cholinesterase, Serum, Plasma, RBC 39481
Serum · Fasting not stated · Turnaround Set up: Mon-Fri
Method and collection
Method
Kinetic Spectrophotometric (KS)
Collection
4 mL refrigerated uncentrifuged whole blood (3 mL minimum) and 1 mL refrigerated plasma (0.5 mL minimum) drawn in EDTA tubes, and 1 mL refrigerated serum (0.5 mL minimum). Transfer plasma and serum to plastic transport tubes and send refrigerated with whole blood.
Quest Diagnostics catalog page

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Sources

Quest Diagnostics test catalog
2 tests: codes, specimens, methods, preparation and reference intervals.
LOINC 2099-0
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Cholinesterase, RBC and Plasma
Registered studies that measure Cholinesterase, RBC and Plasma, on the U.S. National Library of Medicine registry.

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.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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