Leptin | Test Detail | Quest Diagnostics

Leptin

Test Code

90367

CPT Code(s)

83520

Test Code

90367

CPT Code(s)

83520

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

Leptin - Leptin is an adipocyte-derived hormone that is essential for normal body weight regulation. Leptin production is under neuroendocrine control so that serum concentrations vary directly with the amount of triglycerides stored in adipose tissue depots.

Test Resources

None found for this test
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Test Details

Methodology

Electrochemiluminescence (ECL)

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)

Pediatric male and female

5-9.9 Years	0.6-16.8 ng/mL
10-13.9 Years	1.4-16.5 ng/mL
14-17.9 Years	0.6-24.9 ng/mL

Adult Lean Subjects (18-71 Years) with BMI range of 18-25

Male	0.3-13.4 ng/mL
Female	4.7-23.7 ng/mL

Adult Subjects (19-60 Years) with BMI range of 25-30

Male	1.8-19.9 ng/mL
Female	8.0-38.9 ng/mL

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Electrochemiluminescence (ECL)

Assay Category

Reference Range(s)

Pediatric male and female

5-9.9 Years	0.6-16.8 ng/mL
10-13.9 Years	1.4-16.5 ng/mL
14-17.9 Years	0.6-24.9 ng/mL

Adult Lean Subjects (18-71 Years) with BMI range of 18-25

Male	0.3-13.4 ng/mL
Female	4.7-23.7 ng/mL

Adult Subjects (19-60 Years) with BMI range of 25-30

Male	1.8-19.9 ng/mL
Female	8.0-38.9 ng/mL

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 35 days

Reject Criteria

Moderate hemolysis • Gross hemolysis • Hypericteric specimens

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 35 days

Reject Criteria

Moderate hemolysis • Gross hemolysis • Hypericteric specimens

Setup Schedule

Service Area must be determined

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.

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