Blood test in Leiden.
Leiden is a student city with one of Europe's oldest universities, and now home to SCAL draw locations in our network. Want a comprehensive blood test here, without a doctor's referral? Have your blood drawn at a certified location near you and review your results with plain-language explanations in the Optimize app.
From Rooseveltstraat to Merenwijk and Stevenshof, with Oegstgeest and Leiderdorp a few kilometres out.
Get your blood drawn in LeidenNo referral needed · 23 draw locations
Updated 4 August 2026
Which lab draws your blood in Leiden?
In Leiden your blood is drawn at Clinical Diagnostics (SCAL), the lab GPs across the region have relied on for years. Through Optimize you visit those same trusted locations, from the main site on Rooseveltstraat to the Alrijne hospital on Houtlaan, but for a comprehensive preventive blood test you request yourself.
Which districts have a draw location?
The draw points are spread across the city: the Merenwijk health centre on Rosmolen, Stevenshof on Theda Mansholtstraat, Leidse Hout on Dieperpoellaan and De Singel on Lusthoflaan. Living just outside town? Oegstgeest, Leiderdorp, Voorschoten and Warmond have draw addresses of their own; the list below is sorted by distance.
How does testing without a referral work?
You don't need a GP referral: you pick a draw location and time slot in the Optimize app yourself. Your results then appear in the app with an explanation per blood value, translated into what it means for your lifestyle.
Draw locations in and around Leiden.
Our draw partners within 8 km of the centre, sorted by distance. Book online and pick a time slot.
Looking for another city?
No suitable draw location in Leiden? Explore one of the other cities where we operate.
Good to know.
The major lifestyle diseases are largely preventable with the right habits. With clarity in your blood values you know which actions work.
How to get a blood test in Leiden.
Blood test in Leiden.
The essentials before you start.
Take control now.
Baseline blood test
One comprehensive draw at a location near you; you can always extend with add-ons.
Book your blood drawNo referral needed · 23 draw locations
- 40+ biomarkers in one blood draw
- Results within 24 hours
- Explained in plain language, not a lab sheet
- No referral, no waiting list
- 262 draw locations in the Netherlands
- Your own dashboard, with trends on every retest
Prefer to read on first? Blood test