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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Leptin
Test Code90367
CPT Codes
83520
Preferred Specimen
1 mL serum
Minimum Volume
0.2 mL
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 35 days
Refrigerated: 14 days
Frozen: 35 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Moderate hemolysis • Gross hemolysis • Hypericteric specimens
Methodology
Electrochemiluminescence (ECL)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon, Thurs; Report available: 3 days
Reference Range
Pediatric male and female
Adult Lean Subjects (18-71 Years) with BMI range of 18-25
Adult Subjects (19-60 Years) with BMI range of 25-30
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 |
Clinical Significance
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.