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