Pathology Handbook

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PLEASE NOTE: Recent changes have been made to this Test


 Recent changes for Cholinesterase

Recent changes for Cholinesterase
DateFieldChanged FromChanged To
17th February 2023
Collection & Request Instructions

In cases where prolonged apnoea follows suxamethonium administration an assessment of atypical cholinesterase can be made using the Dibucaine and Fluoride Numbers. Such assessment should not be made until 24 hours after suxamethonium administration.

Avoid haemolysis.

Note Additional Collection Instructions:

Pathology Queensland prefer to receive BOTH a SST or Lithium Heparin Plasma specimen PLUS a 4 mL EDTA whole blood sample.(EDTA specimen must be sent unspun).

 

In cases where prolonged apnoea follows suxamethonium administration an assessment of atypical cholinesterase can be made using the Dibucaine and Fluoride Numbers. Such assessment should not be made until 24 hours after suxamethonium administration.

Avoid haemolysis.

Note Additional Collection Instructions:

Pathology Queensland prefer to receive BOTH a Lithium Heparin Plasma (no gel or gel) specimen PLUS a 4 mL EDTA whole blood sample. (EDTA specimen must be sent unspun).

 

17th February 2023
Preferred Specimen Type

Serum
Plasma

Blood

Preferred Container Type

SST
Lithium Heparin (with Gel)

EDTA 4 mL
and
Lithium Heparin (without Gel)

Cholinesterase

Alternative Names:Pseudocholinesterase
Dibucaine Number
Fluoride Number
Laboratory:Clinical Biochemistry
Test Code:CHESTERASE
Specimen Types:Blood
Container Types:
EDTA 4 mL
and
Lithium Heparin (without Gel)
Adults Volume or Mass:5 mL
Collection & Request Instructions:

In cases where prolonged apnoea follows suxamethonium administration an assessment of atypical cholinesterase can be made using the Dibucaine and Fluoride Numbers. Such assessment should not be made until 24 hours after suxamethonium administration.

Avoid haemolysis.

Note Additional Collection Instructions:

Pathology Queensland prefer to receive BOTH a Lithium Heparin Plasma (no gel or gel) specimen PLUS a 4 mL EDTA whole blood sample. (EDTA specimen must be sent unspun).

 

Transport Instructions between Sites and/or Laboratories:On Ice
Assay Frequency:Weekly
External Laboratory:Pathology Queensland- RBWH Campus