Blood donation process

  1. During your donation

During your donation

The whole blood donation process takes 45 minutes to an hour, from registration to rest and recovery. Find out what to expect when you visit the Bloodbank and follow these tips for a pleasant donation.


What to bring

When you go to the Bloodbank, have these on hand:

  • Official photo identification such as an NRIC, work pass or passport.
  • A signed parent consent form 1047 KB if you are below 18.
  • Are you taking any medication? Bring a list and show it to our medical staff.

You will also need:

  • A local address where you are contactable.
  • A local telephone number where you can be reached.

Note: If you are a foreign donor who does not have a fixed local address, you can provide the local address of a Singapore citizen or permanent resident who is willing to act as point of contact for you and sign the Consent form184 KB.

At the Bloodbank

There are the steps you'll go through when donating blood:

1. Register


5 to 10 minutes

Bring your identification to the check-in counter, where we will record your personal particulars. You will also need to fill out a confidential health assessment questionnaire, before getting a place in the donation queue.

2. Check your blood haemoglobin level

Check Haemoglobin

5 minutes

A staff will check and record your weight.  To take a tiny amount of blood from your finger to check your haemoglobin levels. This involves only a pin-prick.

To donate blood, you will need a minimum haemoglobin level of 13.0 g/dl for males and 12.5 g/dl for females.

3. Get screened

Get Screened

10 to 15 minutes

A medical screening professional will ask about your medical, travel and social history, and take your blood pressure, pulse and temperature. This is to confirm whether blood donation is safe for both you and the recipient.

4. Donate blood

Donate Blood

5 to 10 minutes

Your arm will be cleaned and a local anaesthetic will be used before the needle is inserted. The actual donation takes only 5 to 10 minutes for 350 to 450 ml of blood, or up to 45 minutes for apheresis donations (platelets, red cells or plasma). Just sit back and relax during the process. You will get a bandage over the spot once it is over.

5. Rest and recover

Rest and Recover

10 minutes


Have a seat, and enjoy the snacks and drinks available for you. You are advised to rest for at least 10 minutes.

You can leave when you feel okay. The fluid (plasma) portion of your donated blood will be replaced in a few days.


What happens to your donated blood

Your blood will be screened for blood group, infectious diseases and antibodies. It is also separated into three components: red blood cells, platelets and plasma. It is then stored under carefully monitored and controlled conditions to keep it in an optimal state for transfusion.

Watch this video to learn what happens in the laboratory after blood donation.