• Turnaround time:
    10–21 calendar days (14 days on average)
  • Preferred specimen:
    3mL whole blood in a purple-top tube
  • Alternate specimens:
    DNA or saliva/assisted saliva
  • Sample requirements
  • Request a sample kit



C7orf17; MNRR1; NS2TP; PARK22

Associated disorders

The CHCHD2 gene currently has no well-established disease association; however, there is preliminary evidence supporting a correlation with autosomal dominant Parkinson’s disease 22 (PARK22) (PMID: 25662902, 26067110).

Order single gene


Order this gene as a single gene test.

Order a test

Invitae tests that include this gene:

The CHCHD2 gene encodes a coiled-coil-helix-coiled-coil-helix protein that localizes to the intermembrane space of the mitochondria. It acts as a transcription factor binding and activating the oxygen responsive element of the COX4I2 gene, contributing to the regulation of COX4I2 expression in response to oxygen changes. CHCHD2 also inhibits mitochondria-mediated apoptosis.

Assay and technical information

Invitae is a College of American Pathologists (CAP)-accredited and Clinical Laboratory Improvement Amendments (CLIA)-certified clinical diagnostic laboratory performing full-gene sequencing and deletion/duplication analysis using next-generation sequencing technology (NGS).

Our sequence analysis covers clinically important regions of each gene, including coding exons, +/- 10 base pairs of adjacent intronic sequence in the transcript listed below. In addition, analysis covers the select non-coding variants specifically defined in the table below. Any variants that fall outside these regions are not analyzed. Any specific limitations in the analysis of these genes are also listed in the table below.

Our analysis detects most intragenic deletions and duplications at single exon resolution. However, in rare situations, single-exon copy number events may not be analyzed due to inherent sequence properties or isolated reduction in data quality. If you are requesting the detection of a specific single-exon copy number variation, please contact Client Services before placing your order.

Gene Transcript reference Sequencing analysis Deletion/Duplication analysis
CHCHD2 NM_016139.2