Cholinesterase, Serum

Test Code

37965

CPT Code(s)

82480

Test Code

37965

CPT Code(s)

82480

Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Cholinesterase, Serum - This test may be used to detect exposure to or poisoning from organophosphate-based pesticides; to assess baseline levels before exposure to organophosphates; or to monitor cholinesterase levels in individuals who work with pesticides. This test is also used in the diagnosis of inherited pseudocholinesterase deficiency, for individuals with a family history who will be receiving the muscle relaxant succinylcholine during surgery.

The Cholinesterase, Serum assay is often used as part of the diagnostic evaluation for individuals who present with symptoms of pesticide poisoning. Symptoms of ...

Test Resources

None found for this test
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.

Test Details

Methodology

Spectrophotometric Kinetic

Assay Category

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.

Reference Range(s)

Male	3342-7586 IU/L
Female	2673-6592 IU/L

Alternative Name(s)

Pseudocholinesterase

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Spectrophotometric Kinetic

Assay Category

Reference Range(s)

Male	3342-7586 IU/L
Female	2673-6592 IU/L

Alternative Name(s)

Pseudocholinesterase

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Collection Instructions

Centrifuge and transfer serum specimens to clean, transport tube(s). Plasma is not acceptable.

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 21 days
Refrigerated: 21 days
Frozen: 30 days

Reject Criteria

Gross hemolysis

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Collection Instructions

Centrifuge and transfer serum specimens to clean, transport tube(s). Plasma is not acceptable.

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 21 days
Refrigerated: 21 days
Frozen: 30 days

Reject Criteria

Gross hemolysis

Setup Schedule

Service Area must be determined

Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.