• 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



ATPase; hdhc9

Associated disorders

The DNAH8 gene is associated with autosomal recessive primary ciliary dyskinesia (OMIM# 603337; PMID: 24307375).

Order single gene


Order this gene as a single gene test.

Order a test

Invitae tests that include this gene:

The percentage of PCD attributed to pathogenic variants identified in DNAH8 is unknown.

Ciliary movement protects the lungs, sinuses and ear canals from recurrent infections by sweeping mucus out of the respiratory tract. Motile cilia consist of nine peripheral microtubule doublets encircling two central microtubules. Inner and outer dynein arms attached at regular intervals along the peripheral microtubules and radial spokes linking the peripheral and central microtubules together act as molecular motors generating planar movement. The DNAH8 gene encodes a dynein arm heavy chain component. Mutations in this gene lead to dysfunctional motile cilia without causing any apparent structural defects (PMID: 25826585).

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
DNAH8 NM_001206927.1