| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Cholinesterase, Serum, Plasma, RBC
Test Code39481
CPT Codes
82480 (x2), 82482
Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube and
1 mL plasma collected in an EDTA (lavender-top) tube and
1 mL serum
1 mL plasma collected in an EDTA (lavender-top) tube and
1 mL serum
Minimum Volume
4 mL whole blood • 0.5 mL plasma • 0.5 mL serum
Instructions
Transfer plasma and serum to transport tubes and send refrigerated with whole blood.
Transport Container
EDTA (lavender-top) tube and transport tube(s)
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Lipemia • Received room temperature
Methodology
Kinetic Spectrophotometric (KS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test code is for non-California patient testing. For California patient testing, use test code 90369.
Setup Schedule
Tues-sat
Report Available
2-5 days
Limitations
Results may be depressed in patients who consume oral contraceptives. Hepatic disease may cause up to a 70% decrease in enzyme levels. Cholinesterase may be slightly elevated in patients with obesity or diabetes.
Reference Range
| Cholinesterase, Serum | |
| Male | 3342-7586 IU/L |
| Female | 2673-6592 IU/L |
| Cholinesterase, RBC | 9572-15031 IU/L |
| Cholinesterase, Plasma | |
| Male | 3334-7031 IU/L |
| Female | 2504-6297 IU/L |
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
Last Updated: November 6, 2024
