Mutations of the BSND gene are responsible for autosomal recessive infantile Bartter syndrome with deafness.
Although exact data are not available, mutation in this gene are thought to occur 1 in 50,000-100,000 newborn.
| Clinic | Method | Carrier testing |
| Turnaround | 5 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Massive parallel sequencing |
| Turnaround | 25 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Genomic sequencing of the entire coding region |
| Turnaround | 25 days | |
| Specimen type | genomic DNA |