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HelpTEST ID FLEP Leptin
Reporting Name
LeptinSpecimen Type
SerumSpecimen Required
Patient Preparation: Fasting 8-12 hours is recommended.
Specimen Type: Serum
Container/Tube: Red or SST
Specimen Volume: 1 mL
Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Separate from cells within 45 minutes of venipuncture and send 1 mL of serum frozen in a plastic vial.
Note: EDTA (lavender-top) plasma is an acceptable alternate.
Specimen Minimum Volume
0.5 mL
NOTE: Minimum volume does not allow for repeat analysis.
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | ||
| Refrigerated | 14 days | ||
| Ambient | 8 days | ||
Method Name
Enzyme-linked immunosorbent assay (ELISA)
Reject Due To
| Hemolysis | Reject |
| Lipemia | Reject |
Reference Values
Units: ng/mL
Adults (BMI=22)
Males: 0.7-5.3
Females: 3.3-18.3
Contact laboratory for other BMI reference ranges.
Day(s) Performed
Monday, Wednesday, and Saturday
Report Available
13 to 19 daysPerforming Laboratory
Esoterix EndocrinologyCPT Code Information
83520