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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
Appointment booking for toxicological hair testing :
Analysis of blood and urine samples from the Police: Samples are received every working day between 7.30 am and 5.00 pm.
Analysis of suspect material (plant material, powder, pills, etc.): Samples are only received on Mondays, Wednesdays and Fridays between 08.30 am and 12.00 pm.

COVID-19 drive in test center: Monday to Thursday from 8 am to 12:30 pm and from 1:30 pm to 4:30 pm and Friday from 8 am to 1 pm (you need to book your appointment online)

For your COVID-19 test at the LNS, please book an appointment online and bring along your printed medical prescription. Do not hesitate to consult our FAQ section in case of questions on the test center. For all other questions related to your COVID-19 test at LNS, please contact us exclusively by email via or by phone +352 28 100 1.

For the COVID-19 testing of kids aged 2 – 6 years, please book your appointment online with the Ligue médico-sociale.

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


Direct contact ONLY 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.