0020167
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Pseudocholinesterase, Total

CHE-P
Example Reports
Abnormal
Normal

Ordering Recommendation

Acceptable test for determining acute exposure to organophosphate insecticides. Preferred test is Insecticide Exposure Panel (0020175).

Methodology

Quantitative Enzymatic Assay

Performed

Mon-Fri

Reported

1-4 days

New York DOH Approval Status

This test is New York DOH 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

Reference Interval

2,900-7,100 U/L

Interpretive Data



Compliance Category

Standard

Note

Hotline History

N/A

CPT Codes

82480

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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