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HelpTest ID BLOD1704 Growth Differentiation Factor 15, Plasma
Useful For
A circulating biomarker in myopathy-related mitochondrial disease as well as other conditions
Investigation of patients suspected of having a mitochondrial myopathy
This assay is not suitable for carrier detection.
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
Growth Differentiation Factor 15, PSpecimen 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 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
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 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83520
Forms
1. Biochemical Genetics Patient Information (T602)
2. If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
Special Instructions
Testing Algorithm
For more information see Epilepsy: Unexplained Refractory and/or Familial Testing Algorithm
SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 27534 | Growth Differentiation Factor 15, P |