UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for Moffitt-Long and Mount Zion

Lab Manual for SFGH

Internal Resources

Click here for more information about laboratory operations and procedures

If you have additional questions regarding this test, please call: 415-353-1667

Search Our Test Menu

Cholinesterase - Genetic variants

Item Value
Approval req'd? No
Available Stat? No
Test code CGV
Test group Cholinesterase
Performed by Quest
Sendout? Yes
Method Colorimetric
Collection Instructions Avoid hemolysis
Container type Gold top
Amount to Collect 2 mL blood
Sample type Serum
Preferred volume 1 mL serum
Min. Volume 0.5 mL serum
UCSF Rejection Criteria Hemolyzed samples
Processing notes Refrigerate. Order Quest # 7961
Units IU/L
Normal range Cholinesterase, serum:
Male 3342-7586 IU/L
Female 2673-6592 IU/L


Dibucaine number 81.6-88.3% Inhibition

Synonyms Pseudocholinesterase; dibucaine number;
Stability Room temperature 3 weeks, refrigerated 3 weeks, frozen at -20C 1 month.
Turn around times Test performed Monday. Turnaround time: 48 hours
Additional information Assay includes Dibucaine #.

Used to assess for genetic hypersusceptibility to muscle relaxants.
LOINC code 2099-0
Last Updated 10/2/2010 11:51:33 AM
Entry Number 196
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center