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Pseudocholinesterase (Anesthetic)

Source Blood
Mnemonic PCHE
Specimen Requirements

1 x 3 mL light green (mint) top PST tube.  Gold top SST tube also acceptable.

2.0 mL plasma or serum

Minimum Whole Blood Volumes for Microcollections

Specimen Handling
Additional Information

Dibucaine Inhibition will be provided.
Fluoride Number not routinely available.

For Exposure to Pesticides see Acetylcholinesterase - Blood

Testing Location Chemistry-DSC
Testing Frequency As required
Alternate Name(s) Dibucaine, Dibucaine Inhibition, Halothane (Anaesthetic), Succinylcholine
Reference Interval

Pseudocholinesterase: 5.3 - 12.9 KU/L

Dibucaine Number: 

Normal individuals

>0.73

Heterozygous individuals

0.57-0.72

Homozygous individuals

<0.50