Medical post process
Specialized logistics for medical samples
Why medical post?
Your blood sample is sent via PostNL's special medical post to Valkenburg.
From Valkenburg, the laboratory courier collects all medical samples daily.
This direct route ensures fast and reliable processing of your sample.
Collection also happens on Saturdays for optimal turnaround time.
What's in your test kit?
Everything you need for a successful blood test
Labeled tubes
With barcode and special preservation fluid for your test
Pre-paid envelope
Return via medical post to Valkenburg
Referral letter
For the collection point with all your details and test instructions
Instructions
Clear step-by-step guide for use
Shipping instructions
Follow these steps for successful shipping
How to do it right
Check your tubes
Make sure all tubes are completely filled and properly sealed
Place in provided envelope
Only use the provided medical post envelope
Ship within 2 days
Send as soon as possible after blood collection for best quality
Use correct mailbox
PostNL point or mailbox that accepts letters/cards
What to avoid
No Track & Trace
This can delay processing and is not necessary
Not in package point
Use PostNL points that accept letters
Don't store too long
Ship within 2 days after blood collection
Not in own envelope
Always use the provided medical post envelope
Watch out for extreme weather conditions
In extreme weather conditions: do NOT put samples in orange mailboxes.
On warm days: bring to a PostNL service point instead of a mailbox.
Store blood samples refrigerated if collected early in the day.
On weekends and holidays: use special mailboxes for medical materials.
Timeline from shipping to results
What happens to your sample after shipping?
Day 1-2: Shipping
Your sample travels via medical post to Valkenburg
Day 2-3: Collection
Laboratory courier collects samples daily in Valkenburg
Day 3-10: Analysis
Your blood sample is analyzed in the Dr. Stein laboratory
Day 10: Results
You receive your test results by email
Problems with shipping?
If you have doubts about shipping, your sample is damaged, or you have questions about the process, please contact us immediately. We're happy to help you further.
Email us via the contact page for direct help.Ready to order your blood test?
Now that you know how shipping works, you can confidently order your test.