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HelpTest Code FLEP Leptin
Specimen Required
Patient Preparation:
Fasting: Recommended, but not required; provide length of time patient has been fasting
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Specimen Volume: 1 mL serum
Collection Instructions:
1. Within 45 minutes of collection, centrifuge and aliquot serum into a plastic vial.
2. Send frozen.
Method Name
Enzyme-linked immunosorbent (ELISA)
Reporting Name
LeptinSpecimen Type
SerumSpecimen Minimum Volume
Serum: 0.3 mL NOTE: Minimum volume does not allow for repeat analysis.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | |
| Refrigerated | 14 days | |
| Ambient | 8 days | |
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
Tuesday and Thursday
Report Available
8 to 14 daysPerforming Laboratory
Esoterix EndocrinologyTest Classification
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.CPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FLEP | Leptin | 21365-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z0262 | Leptin | 21365-2 |