Home
HelpTest Code LAB3248 Leptin
Additional Codes
Leptin
Reporting Name
Leptin
Seattle Children's Hospital
Note:
SCH Clinical System Name: Leptin
Specimen 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.
Seattle Children's Hospital
Note:
Draw 2.0 mL whole blood in a Red top.
Specimen Type
SerumSpecimen Minimum Volume
0.5 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 | |
Day(s) Performed
Monday, Wednesday, and Saturday
Performing Laboratory
Esoterix EndocrinologyMethod Name
Enzyme-linked immunosorbent assay (ELISA)
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.
Test 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 |
Report Available
13 to 19 daysReject Due To
| Hemolysis | Reject |
| Lipemia | Reject |