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0020167
Pseudocholinesterase, Total
CHE-P
Ordering Recommendation
Acceptable test for determining acute exposure to organophosphate insecticides. Preferred test is Insecticide Exposure Panel (0020175).
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Specimen must be drawn prior to surgery or more than two days following surgery. Do not draw in recovery room.
Collect
Serum separator tube, lavender (EDTA), or pink (K2EDTA).
Specimen Preparation
Allow serum specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transport 0.5 mL serum or plasma. (Min: 0.1 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Whole blood on clot. Hemolyzed specimens.
Remarks
Plasma values are slightly lower than serum.
Stability
Ambient: 4 hours; Refrigerated: 1 week; Frozen: 3 months
Methodology
Quantitative Enzymatic Assay
Performed
Mon-Fri
Reported
1-4 days
Reference Interval
2,900-7,100 U/L
Interpretive Data
Compliance Category
Standard
Note
Hotline History
N/A
CPT Codes
82480
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0020167 | Pseudocholinesterase, Total | 2098-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Cholinesterase (Pseudo), Total
- Cholinesterase, Serum or Plasma
- Serum Cholinesterase (Pseudochol)
Pseudocholinesterase, Total
