Skip to main content

How to send laboratory samples as Express Reply Mail

When the recipient laboratory has an Express Reply contract, you get the sample to the laboratory as quickly as possible. Sending samples reply Express reply mail items in black and yellow striped boxes is free of charge to the sender.

  • The laboratory has an Express Reply contract if the second digit of the postal code is 1 and the final digit is 6.

  • Express Reply items can be sent to the following service areas, and they are delivered to the laboratories with the below-mentioned postal codes.

Service areas

Postal code of Reply Mail adressService areas
01006 VASTAUSLÄHETYSPostcode Areas 00-02
21006 VASTAUSLÄHETYSPostcode Areas 20-20
31006 VASTAUSLÄHETYSPostcode Areas 33-33
41006 VASTAUSLÄHETYSPostcode Areas 40-40
71006 VASTAUSLÄHETYSPostcode Areas 70-70
91006 VASTAUSLÄHETYSPostcode Areas 90-90

Required address markings

1.Address markings and the Express bar code label The Express Letter label is used on the Express Reply item.

The recipient's address marking is: Company Ltd Tunnus: 50XXXXX X1006 VASTAUSLÄHETYS

Write the sender's markings on the front upper left-hand corner of the item.

2.Payment indications The payment indication "The recipient pays the postage fee" must be located on the upper right-hand corner on the front side of the item.

Adding of the Saturday Delivery

In addition, the Saturday Delivery label is attached to the items delivered on Saturday and the recipient's street address is marked on the item in addition to the reply mail item address in order to ensure Saturday Delivery.

Saturday Delivery has a limited service area

You can check the availability of Saturday Delivery by searching for the postal code of the place of dispatch and the receiving address from our delivery time inquiry. To see whether Saturday Delivery is in use, see Express letter/Saturday Delivery.

Leaving for shipment

You can leave the items for shipment by taking them to a Posti outlet. A laboratory sample must not be dropped off in a mailbox. If the sender is a company, Posti can also pick up the samples based on an agreement or a separate order.

Also read the instructions about packing laboratory samples according to the Act on the Transport of Dangerous Goods and about classifications that affect the packaging markings: Instructions on sending samples