Karhula laboratory
Keywords:Opening hours during summer
The laboratory is closed from June 19th to June 21th, 2026. On Thursday, June 18th, the laboratory will be open as usual.
In the Karhula laboratory we serve customers with booked appointments and walk-in customers may take a queue number. We recommend booking an appointment.
Book an appointment online (opens in new window, links to another website)
You can book a laboratory appointment online. When booking, you will receive instructions on cancelling or rescheduling your booked appointment. You always need a referral for laboratory tests.
How do I prepare for examinations and where do I get the results?
Examinations always require a referral. More information on the required preparations, arriving for examinations, and receiving the test results can be found here.
Updated: 21.05.2026