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Laboratory Medicine

Test catalogue

Cholinesterase (Total and Phenotype), Serum

Test Name

Cholinesterase (Total and Phenotype), Serum

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 2 mL serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in gold or red top with or without gel separator. Collect specimen at least 24 hours post-surgery. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Separate from cells within 2 hours of collection. Store and send frozen.

Rejection Criteria: Plasma, unlabeled or samples of non sufficient quantity.

Stability: Stable for 1 day Refrigerated and frozen: Over 1 day.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

10days

Test Utilization

Reference Value

Cholinesterase Total: 620 - 1370 U/L

Cholinesterase Phenotype: See report.

Test Code

CHON

Methodology

Spectrophotometry

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: July 24, 2020