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HelpTest Code FLEPM Leptin
Additional Codes
MAYO: FLEP
EPIC: LAB4580
Reporting Name
LeptinPerforming Laboratory
Esoterix EndocrinologySpecimen Type
SerumSpecimen Required
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. Spin down 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) | 200 days | |
| Ambient | 48 hours | ||
| Refrigerated | 48 hours |
Reference Values
Units: ng/mL
Female Ranges <20 by Body Mass Index (BMI)
|
BMI |
Tanner Stage 1-2 |
Tanner Stage 3-4 |
Tanner Stage 5 |
|
11 |
0.35-1.5 |
0.4-1.3 |
0.7-2.7 |
|
12 |
0.4-1.9 |
0.5-1.6 |
0.8-3.2 |
|
13 |
0.5-2.4 |
0.7-2.1 |
0.9-3.7 |
|
14 |
0.6-3.1 |
0.8-2.6 |
1.0-4.3 |
|
15 |
0.8-3.9 |
1.1-3.3 |
1.2-5.0 |
|
16 |
1.1-5.0 |
1.3-4.2 |
1.4-5.8 |
|
17 |
1.4-6.5 |
1.7-5.3 |
1.6-6.7 |
|
18 |
1.7-8.3 |
2.1-6.7 |
1.9-7.8 |
|
19 |
2.2-10.7 |
2.7-8.5 |
2.2-9.1 |
|
20 |
2.9-13.7 |
3.4-10.7 |
2.6-10.5 |
|
21 |
3.7-17.6 |
4.3-13.6 |
3.0-12.3 |
|
22 |
4.7-22.6 |
5.5-17.2 |
3.5-14.2 |
|
23 |
6.0-29.0 |
6.9-21.8 |
4.0-16.6 |
|
24 |
7.8-37.2 |
8.8-27.6 |
4.7-19.3 |
|
25 |
10.0-47.8 |
11.1-34.9 |
5.5-22.4 |
|
26 |
12.8-61.4 |
14.0-44.2 |
6.4-26.0 |
|
27 |
16.4-78.8 |
17.7-56.0 |
7.4-30.3 |
|
28 |
21.5-101.0 |
22.5-70.9 |
8.6-35.2 |
|
29 |
27.0-130.0 |
28.4-89.7 |
10.0-40.9 |
|
30 |
|
36.0-114.0 |
36.0-114.0 |
|
31 |
|
45.6-144.0 |
13.5-55.3 |
|
32 |
|
57.7-144.0 |
15.7-64.4 |
|
33 |
|
|
18.3-74.9 |
|
34 |
|
|
21.2-87.0 |
|
35 |
|
|
24.7-101.0 |
|
36 |
|
|
28.7-118.0 |
|
37 |
|
|
33.4-137.0 |
Male Ranges <20 by Body Mass Index (BMI)
|
BMI |
Tanner Stage 1-2 |
Tanner Stage 3-4 |
Tanner Stage 5 |
|
11 |
0.1-0.7 |
0.1-0.6 |
0.1-0.5 |
|
12 |
0.2-0.9 |
0.1-0.7 |
0.1-0.5 |
|
13 |
0.2-1.2 |
0.1-0.9 |
0.1-0.6 |
|
14 |
0.3-1.6 |
0.1-1.1 |
0.1-0.7 |
|
15 |
0.4-2.0 |
0.1-1.3 |
0.1-0.8 |
|
16 |
0.5-2.7 |
0.2-1.6 |
0.1-1.0 |
|
17 |
0.6-3.5 |
0.2-1.6 |
0.1-1.1 |
|
18 |
0.8-4.6 |
0.2-2.5 |
0.2-1.3 |
|
19 |
1.0-6.0 |
0.3-3.0 |
0.2-1.5 |
|
20 |
1.4-7.9 |
0.3-3.7 |
0.2-1.7 |
|
21 |
1.8-10.4 |
0.4-4.6 |
0.2-2.0 |
|
22 |
2.3-13.6 |
0.5-5.6 |
0.3-2.3 |
|
23 |
3.1-17.8 |
0.6-6.9 |
0.3-2.7 |
|
24 |
4.0-23.3 |
0.8-8.5 |
0.4-3.6 |
|
25 |
5.2-30.6 |
1.0-10.5 |
0.4-3.6 |
|
26 |
6.9-40.1 |
1.2-12.9 |
0.5-4.2 |
|
27 |
9.0-52.5 |
1.5-15.8 |
0.6-4.8 |
|
28 |
11.8-68.9 |
1.8-19.4 |
0.6-5.6 |
|
29 |
15.5-90.3 |
2.2-23.9 |
0.7-6.5 |
|
30 |
20.3-118.0 |
2.7-29.4 |
0.9-7.5 |
|
31 |
|
3.3-36.2 |
1.0-8.7 |
|
32 |
|
4.1-44.5 |
1.2-10.0 |
|
33 |
|
5.0-54.7 |
1.3-11.6 |
|
34 |
|
6.2-67.2 |
1.5-13.4 |
|
35 |
|
7.6-82.6 |
1.8-15.6 |
|
36 |
|
9.4-101.0 |
2.1-18.0 |
|
37 |
|
11.5-124.0 |
2.4-20.8 |
|
38 |
|
|
2.8-24.1 |
|
39 |
|
|
3.2-27.9 |
|
40 |
|
|
3.7-32.3 |
Female Ranges >19 by Body Mass Index (BMI)
|
BMI |
Range |
BMI |
Range |
|
11 |
0.7-3.6 |
24 |
4.4-24.2 |
|
12 |
0.8-4.2 |
25 |
5.1-28.0 |
|
13 |
0.9-4.8 |
26 |
5.9-32.4 |
|
14 |
1.0-5.6 |
27 |
6.8-37.5 |
|
15 |
1.2-6.5 |
28 |
7.9-43.5 |
|
16 |
1.4-7.5 |
29 |
9.1-50.4 |
|
17 |
1.6-8.7 |
30 |
10.6-58.3 |
|
18 |
1.8-10.0 |
31 |
12.2-67.5 |
|
19 |
2.1-11.6 |
32 |
14.1-78.2 |
|
20 |
2.4-13.4 |
33 |
16.4-90.5 |
|
21 |
2.8-15.6 |
34 |
19.0-105.0 |
|
22 |
3.3-18.0 |
35 |
22.0-121.0 |
|
23 |
3.8-20.9 |
36 |
25.4-141.0 |
Male Ranges >19 by Body Mass Index (BMI)
|
BMI |
Range |
BMI |
Range |
|
11 |
0.1-0.4 |
25 |
1.1-9.6 |
|
12 |
0.1-0.4 |
26 |
1.3-12.0 |
|
13 |
0.1-0.7 |
27 |
1.6-14.9 |
|
14 |
0.1-0.9 |
28 |
2.0-18.6 |
|
15 |
0.1-1.1 |
29 |
2.5-23.2 |
|
16 |
0.2-1.3 |
30 |
3.2-28.9 |
|
17 |
0.2-1.7 |
31 |
3.9-36.0 |
|
18 |
0.2-2.1 |
32 |
3.9-36.0 |
|
19 |
0.3-2.6 |
33 |
6.1-55.8 |
|
20 |
0.4-3.2 |
34 |
7.6-69.6 |
|
21 |
0.4-4.0 |
35 |
9.5-86.7 |
|
22 |
0.5-5.0 |
36 |
11.8-108.0 |
|
23 |
0.8-6.2 |
37 |
14.8-135.0 |
|
24 |
0.9-7.7 |
|
|
Day(s) Performed
Tuesday, Thursday
Test Classification
Results of this test are for research purposes only per the assay manufacturer. The performance characteristics of this assay have not been established. The result should not be used as a diagnostic procedure without confirmation of the diagnosis by another medically established diagnostic product or procedure.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
2 to 15 daysReject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)