REF MISC
Leptin
Performing Lab:
Referral Laboratory
Container Type:
serum gel tube, plain red-top or lavender (EDTA) tube
Specimen Type:
Serum or plasma
Preferred Volume:
0.5 mL
Minimum Volume:
0.2 mL (Note: This volume does not allow for repeat testing.)
Specimen Processing:
Transfer serum or plasma from cells and transfer to a plastic transport tube.
Store and Transport:
Room Temperature
Stability:
Room Temperature: 14 days
Refrigerated: 30 days
Frozen: 21 days (Freeze/thaw cycles: stable x3)
Unacceptable Condition:
Gross lipemia; gross hemolysis
Limitations:
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.
Obesity is not generally caused by leptin deficiency, neither mutations of the leptin gene or the leptin receptor gene are frequent in humans, but leptin levels are commonly higher in subjects with obesity, and insensitivity to endogenous leptin is a hallmark of most cases of human obesity.1
Obesity is not generally caused by leptin deficiency, neither mutations of the leptin gene or the leptin receptor gene are frequent in humans, but leptin levels are commonly higher in subjects with obesity, and insensitivity to endogenous leptin is a hallmark of most cases of human obesity.1
CPT Codes:
83520
Method:
Enzyme immunoassay (EIA)