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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

(a.k.a Pseudocholinesterase, Suxamethonium sensitivity)
minimum sample volume required ~ 5ml

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Test Code: CHO

Tube type: SST

Special instructions

Sent away to Southmead Hospital, Bristol

Reference range


Linked to
Cholinesterase Genotype

Turnaround Time
28 days

Department: Biochemistry

Clinical Application
Investigation of suspected suxamethonium sensitivity. Follow up genetics testing may be required after this initial activity (see cholinesterase genotype).

Can also be used to monitor occupational exposure to organophosphates or suspected organophosphate poisoning.


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