Foresight Health® Trapped Neutrophil Syndrome


Our Foresight Health® single test for Trapped Neutrophil Syndrome is ideal for breeders and owners who want the reassurance of genetic health testing.

Our DNA test results are accepted by the Kennel Club.

The guideline turnaround time for single tests is approximately 10-12 working days after the swab arrives at the lab. 

If you need more than two tests it is often more cost-effective to order the relevant Foresight Health® breed package.


Trapped Neutrophil Syndrome (TNS) is an immune disorder usually beginning in the first few months of life with problems fighting infection. Depending on the infection dogs can suffer weight loss, vomiting, diarrhea and respiratory problems. Affected dogs usually die from infections in early life.

An autosomal recessive condition caused by a mutation in the VPS13B gene.


This test is also included in the following Foresight Health® breed packages:


Scientific references:

Mizukami K, Shoubudani T, Nishimoto S, Kawamura R, Yabuki A, Yamato O. Trapped neutrophil syndrome in a Border Collie dog: clinical, clinico-pathologic, and molecular findings. J Vet Med Sci. 2012 Jun;74(6):797-800

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