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Laboratory Testing Online / Occupational Health

Cholinesterase Activity Monitoring

To monitor inhibition of cholinesterase enzymes in workers exposed to certain organophosphate or carbamate pesticides.
Test profileOCCholinesterase Activity Monitoring

Test and specimen

What is being examined?

Test
Cholinesterase Activity Monitoring
Department
Occupational Health
Typical sample or measurement
Whole blood and/or serum/plasma depending on programme
Before the test

Programme-specific baseline samples are needed before exposure. Some illnesses, pregnancy, medicines and genetic variants can affect plasma cholinesterase.

Clinical interpretation

Laboratory results should be interpreted by a qualified professional using the correct reference interval, method, symptoms, history and other findings. A normal or abnormal value rarely confirms or excludes a condition by itself.

01

Why the test is performed

To monitor inhibition of cholinesterase enzymes in workers exposed to certain organophosphate or carbamate pesticides.

02

What the test is used for

Baseline and periodic biological monitoring within a defined exposure and medical-surveillance programme.

03

How the test is performed

Validated enzymatic assays measure red-cell acetylcholinesterase and/or plasma cholinesterase; individual change from a reliable baseline is often important.

04

Conditions and diseases considered

Used for occupational pesticide overexposure assessment; acute cholinergic symptoms require emergency evaluation.

05

Recommended further tests

Repeat confirmatory activity, exposure and hygiene investigation, clinical examination and other toxicology tests as directed.

Primary public reference

Continue with the official patient guide.

COHSEW has summarised this information for navigation and awareness. Follow the source and your healthcare provider’s current instructions for the complete context.

Medical Screening and Surveillance GuideOpen official source

Need professional guidance?

Discuss test appropriateness and results with a qualified clinician.

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