Patient information: Laboratory tests

A referral is required for laboratory tests


  • Your physician or the nursing staff making the referral will inform you about the tests you were referred to, and why the tests are taken.
  • You will receive the test results from the referring unit.
  • Please remember to take your Kela card or ID with you. 


Before the test


  • Please refrain from smoking, alcohol, and physical exercise during the 24 hours preceding the collection of the samples. 
  • It is recommended that you sit down for about 15 minutes before the sample collection to allow your circulation to normalise.
  • Do you have any questions about preparing for laboratory tests? You can call the HUSLAB number for Appointment booking and information 09 471 86800 ​Mon–Fri 07:30–15:30
  • Before the test, you may have a light meal and take your medication unless agreed otherwise with your attending physician.


Tests which require fasting

Tests which must be taken at a certain time ofday

Patient instructions in English​


Avoid queues


The laboratory is the least crowded after 11:00 am.

In several laboratories, it is also possible to book an appointment in advance.



HUSLAB's Information Desk tel. 09 471 86800, Mon to Fri 7:30 am to 3:30 pm.