Test Overview
Test Methodology
Enzyme-Linked Immunosorbant Assay
Test Usage
A circulating biomarker in myopathy-related mitochondrial disease as well as other conditions. Investigation of patients suspected of having a mitochondrial myopathy
Reference Range *
3 months and older: < or = 750 pg/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Wednesday, Friday
Analytic Time
3 - 7 days
Soft Order Code
GDF15
Laboratory
Sendout
Reference Laboratory
Mayo GDF15
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in an EDTA lav top tube. Immediately spin, and aliquot into a screw capped plastic tube. Do not expose to heat or direct sunlight. Send to Specimen Processing refrigerated
Special Handling
Do not expose specimen to heat or direct sunlight
Alternate Specimen
Green top (sodium heparin) tube
Contraindications
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.
Normal Volume
0.5 mL plasma
Minimum Volume
0.2 mL plasma
Storage Temperature
Refrigerated preferred, Ambient or frozen acceptable
Additional Information
Test performed by Mayo Clinic Laboratories
Billing
CPT Code
83520