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Growth Differentiation Factor 15, Plasma
Test Code39895
CPT Codes
83520<br /> Restricted Client Code
Preferred Specimen
0.5 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.2 mL
Other Acceptable Specimens
Plasma collected in sodium heparin (green-top) tube
Instructions
1. Draw blood and centrifuge immediately
2. Do not expose specimen to heat or direct sunlight
2. Do not expose specimen to heat or direct sunlight
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 28 days
Refrigerated: 90 days
Frozen: 90 days
Refrigerated: 90 days
Frozen: 90 days
Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Setup Schedule
Set up: Tues, Fri; Report available: 8-15 days
Reference Range
3 months* and older: < or =750 pg/mL
Please note: *This test is not recommended for infants <3 months of age due to the high levels of growth differentiation factor 15 contributed from the placenta during pregnancy
Please note: *This test is not recommended for infants <3 months of age due to the high levels of growth differentiation factor 15 contributed from the placenta during pregnancy
Clinical Significance
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
Investigation of patients suspected of having a mitochondrial myopathy
This assay is not suitable for carrier detection
