Just Arrived provides the emergency number to call in the Grand Duchy of Luxembourg for an ambulance :
For any medical emergency for a child under 14 years of age the Centre Hospitalier de Luxembourg CHL - Centre au 4, rue Ernest Barblé L-1210 Luxembourg has a 7/7 and 24h/24 emergency department for all of Luxembourg.
Note that in Luxembourg you can go directly to the hospital on call for emergency medical care. To find out the current clinics and hospitals on call Just Arrived recommends this address. You will find the names and details of the establishments.
If you would like to know more about the various Hospitals, Maternity Clinics, clinics and health centres in Luxembourg click here!