You’ve decided you want to help. That’s already the hard part. The actual sign up process takes about five minutes online and a cheek swab you do at home. No hospital visit, no blood test, and no complicated forms.
Here’s exactly what happens from the moment you register to the moment you might get the call.
Before you start: are you eligible?
Three things. Aged 18 to 35. Generally good health. Green or blue Medicare card.
If you tick all three you can probably register today. Some health conditions mean people can’t join and that’s not a reflection on anyone. The criteria exist to protect both you and the patient on the other end.
Not sure if a health condition affects your eligibility? The team at Stem Cell Donors Australia can help you work that out after you submit your details online.
Step 1: register online
Head to the TLR Foundation’s partner page with Stem Cell Donors Australia and fill in your details. Name, date of birth, contact details, and a few health questions. The whole form takes around three minutes.
Hit submit and the team reviews your details. If you’re eligible, they post a cheek swab kit to your address. Usually arrives within a week or two.
Step 2: do the cheek swabs at home
The kit arrives in a small envelope. Inside you’ll find swabs, instructions, and a prepaid return envelope.
Rub the swabs on the inside of each cheek for about thirty seconds each. That’s it. Seal them in the return envelope and post them back. The whole thing takes under five minutes.
The lab then analyses your tissue type, which is the genetic marker doctors use to match donors with patients. Once that’s done, your details go on the registry and you’re officially in.

Joining the stem cell donor registry starts with a few simple cheek swabs.
Step 3: wait
This is the bit that surprises people. There’s nothing else to do.
Your tissue type sits on the registry anonymously. You get on with your life. Most people who join are never called to donate, and that’s completely fine.
The registry works because of its size. Every person who joins improves the odds for patients who are searching right now.
You stay on the registry until you turn 60. That’s potentially decades of being someone’s possible match without doing anything else at all.
What happens if you’re identified as a match?
If a patient’s doctors find your tissue type as a potential match, the registry team contacts you directly. This doesn’t mean you’re committed to anything. It means the conversation starts.
The team asks you to do some additional blood tests to confirm the match more precisely. They walk you through every step, answer every question, and give you time to make a proper decision. The team never rushes anything and nothing happens without your full agreement.
It’s also worth knowing that getting identified as a potential match doesn’t always lead to donation. Sometimes a closer match turns up, or the patient’s situation changes. If the process does continue, the medical team is with you the whole way.
What donation actually involves
If you’re confirmed as a match and you go ahead, doctors collect stem cells one of two ways.
The most common is peripheral blood stem cell donation, which works like a long plasma donation. For a few days before, daily injections encourage your body to move more stem cells into your bloodstream. On donation day, blood goes out one arm through a machine that collects the stem cells, and everything comes back through the other arm. No general anaesthetic. Usually takes four to five hours, and most donors are back to normal within a day or two.
Less commonly, doctors collect stem cells directly from the hip under general anaesthetic. This happens when it’s the best option for the specific patient and you’d know well in advance.
Regardless of what the medical team recommends, you always have the final say.
The team covers all your medical costs, travel, and accommodation. You won’t be out of pocket a single cent.
For the full picture of what donation feels like read What Really Happens to Your Body When You Donate Stem Cells
What if you change your mind?
You can withdraw from the registry at any time before a donation takes place. Life changes and circumstances change and that’s understood. Just let Stem Cell Donors know to remove you from the registry.
That said, if you’ve been confirmed as someone’s best or only match, withdrawing at a late stage can have serious consequences for the patient. It’s worth thinking about that before you sign up, not to create pressure, but because understanding the commitment upfront helps you make the right decision for yourself.
Ready to go?
Aged 18 to 35, generally healthy, green or blue Medicare card. That’s all you need.
Five minutes online, a cheek swab kit to your door, and you’re on the registry. Most people who sign up will never be called. But for the patients who do find their match, it changes everything.
Sign up through TLR’s partner page.
Be a legend. Save a life.