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HelpGrowth Differentiation Factor 15, Plasma
Additional Codes
LAB4151
Specimen Type
PlasmaSpecimen Required
Collection Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Green top (sodium heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Draw blood and centrifuge immediately.
2. Aliquot plasma into plastic vial.
3. Do not expose specimen to heat or direct sunlight.
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma | Refrigerated (preferred) | 90 days | |
| Frozen | 90 days | ||
| Ambient | 28 days |
Reference Values
3 months* and older: ≤750 pg/mL
*This test is not recommended for infants younger than 3 months of age due to the high levels of growth differentiation factor 15 contributed from the placenta during pregnancy.
Day(s) Performed
Wednesday, Friday
Report Available
2 to 6 daysSpecimen Retention Time
1 monthPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| GDF15 | Growth Differentiation Factor 15, P | 92665-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 64637 | Growth Differentiation Factor 15, P | 92665-9 |
Forms
1. Biochemical Genetics Patient Information (T602)
2. If not ordering electronically, complete, print, and send 1 of the following forms with the specimen: