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ID:59 Cholinesterase Activity and Phenotype
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DescriptionCholinesterase deficiency will result in prolonged paralysis after the use of muscle relaxants for operative surgery. Please contact Clinical Biochemistry if this assay is required.
IndicationScoline apnoea. Family studies of patients with cholinesterase deficiency. Pesticide workers.
Additional InfoCholinesterase phenotype is used to predict susceptibility to prolonged apnoea after administration of suxamethonium or mivacurium.
Concurrent Testsna
Dietary Requirementsna


Ref. Range (Male)See notes
Ref. Range (Female)see notes
Ref. Range (Paed)
Ref. Range NotesCholinesterase activity ref range: <5300 U/L

IP Acute TATAbout 2 weeks
IP Routine TATAbout 2 weeks
GP Acute TATAbout 2 weeks
GP Routine TATAbout 2 weeks
Turnround CommentActivity: 1-2 weeks (contact referral lab if surgery is imminent). Phenotype: 2-4 weeks. Genotype: 10-12 weeks. Dr Roberta
Originally edited by : JHB. Last edited on 22/11/2018 10:16:43. Published By RB on 22/11/2017 10:16:43.