Test Code PCHE1 |Beaker: LAB2767 Pseudocholinesterase, Total, Serum
Additional Codes
Epic EAP: LAB2767
Epic Description:PSEUDOCHOLINESTERASE
Necessary Information
Patient's age and sex are required.
Specimen Required
Patient Preparation: For patients with prolonged apnea following surgery, wait at least 24 hours before obtaining specimen.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.
Secondary ID
606604Useful For
Monitoring exposure to organophosphorus insecticides and herbicides
Monitoring patients with liver disease, particularly those undergoing liver transplantation
Identifying patients who are homozygous or heterozygous for an atypical gene and have low levels of pseudocholinesterase
This test is not useful for the differential diagnosis of jaundice.
Method Name
Colorimetric Assay
Reporting Name
Pseudocholinesterase, Total, SSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 14 days | |
Frozen | 365 days | ||
Ambient | 24 hours |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Reference Values
Males
5320-12,920 U/L
Females
0-15 years: 5320-12,920 U/L
16-39 years: 4260-11,250 U/L
40-41 years: 5320-12,920 U/L
≥42 years: 5320-12,920 U/L
Note: Females aged 18-41 years who are pregnant or taking hormonal contraceptives, the reference interval is 3650-9120 U/L.
Day(s) Performed
Monday through Friday
Report Available
Same day/1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
82480
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PCHE1 | Pseudocholinesterase, Total, S | 2098-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
PCHE1 | Pseudocholinesterase, Total, S | 2098-2 |