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Laboratoire national de santé
Public institution

Opening hours: from Monday to Friday
Reception: 7:30 am – 5 pm without interruption
Blood samples: 7:30 am – 9 am
Reception of biological samples: 8 am – 5 pm

We would like to point out that the LNS only carries out COVID 19 tests upon request from a hospital or from the Inspection sanitaire. For all your questions related to COVID-19, please call the Helpline Santé at 247 655 33 (Monday to Friday during office hours and weekends between 10.00 and 18.00 hours) or consult the FAQs on the site dedicated to COVID- 19 of the Luxembourg government.

Tel. : +352 28 100 1
Fax : +352 28 100 202
Email :

Direct contact for results of pathological anatomy analyzes: +352 28 100 345 from Monday to Friday from 8 am to 5 pm
Phone list

1, rue Louis Rech
L-3555 Dudelange

GPS coordinates
49°29’57.9″N (49.499429)
6°05’08.2″E (6.085623)

Join us by public transport
Train to Bettembourg or Dudelange station, then bus 305 to “Staatslabo” stop
Your ticket will work for train and bus.

Please bring your identity card.