No you haven't.
You have followed your idea of what you think the nedical advice is, and been very selective about where you looked.
It does not say "ONLY seek medical treatment if you can tick one of these criteria", and this is what it says if you check on online for broken ankles
Broken ankle
Get medical advice as soon as possible if you think you have broken your ankle. It may need treatment to heal properly.
Do not worry if you do not know if your ankle is broken, dislocated orsprained. Get it checked by a doctor.
Urgent advice:Call 111 or go to an urgent treatment centre if:
You have had an injury and your ankle:
is painful, bruised or swollenhurts when you put weight on itfeels stiff and is difficult to move
Find an urgent treatment centre
Immediate action required:Call 999 or go to A&E if:
your ankle is at an odd anglea bone is sticking out of your ankleyou have a bad cut or wound on your ankleyou're in severe painyour toes look blue or white, or feel numbWhat we mean by severe pain
Things to do while you're waiting to see a doctor
Doraise your ankle if possiblegently hold an ice pack (or a bag of frozen peas) wrapped in a towel on your ankle for 15 to 20 minutes every 2 to 3 hoursstop any bleeding – put pressure on the wound using a clean cloth or dressingif your ankle is not at an odd angle, wrap it loosely in a bandage to help support itremove any jewellery on your ankle or toestake paracetamol
Don'tdo not take ibuprofen until you have seen a doctordo not eat or drink anything in case you need surgerydo not move or put weight on your ankle if possible
Treatments for a broken ankle
You'll usually have an X-ray to check if your ankle is broken and see how bad the break is.
If you have a very minor break, you may not need any treatment.
For a more serious break, you may need:
a special boot to help support your anklea plaster cast to hold your ankle in place while it healsthe bones to be moved back into place by a doctor (they'll give you an injection to numb your ankle)surgery to fix the broken bones
You'll usually have follow-up appointments to check your ankle is healing properly.
How long it takes to recover from a broken ankle
A broken ankle usually takes 6 to 8 weeks to heal, but it can take longer.
The doctor will tell you:
how long you'll have to wear the boot or have the plaster cast onhow much weight to put on your ankle – you may be given crutches or a walking frame to help keep weight off it
Once it's healed, use your ankle as normal. Moving it will stop it getting stiff.
You may need to see a physiotherapist. They can help you with exercises to get your foot and ankle gently moving again.
Ask your doctor when you can return to contact sports or other activities that put a lot of strain on your ankle.
Things you can do to help during recovery
It's important to follow any advice you're given by the hospital or fracture clinic.
There are some things you can do to ease pain and help your broken ankle recover.
Do
www.nhs.uk/conditions/broken-ankle/