3 doctors weighed in:

At what age can you first take a blood test?

3 doctors weighed in
2 doctors agree

In brief: Any age with consent

People of any age may have blood tests taken.
As far as children and teenagers being seen independently and having blood tests taken, there can be 'implied consent, ' such as when a parent schedules an appointment or brings the child/teen in for the visit. Some practices maintain a written permission from parents to treat minor illnesses or do tests without their explicit permission.

In brief: Any age with consent

People of any age may have blood tests taken.
As far as children and teenagers being seen independently and having blood tests taken, there can be 'implied consent, ' such as when a parent schedules an appointment or brings the child/teen in for the visit. Some practices maintain a written permission from parents to treat minor illnesses or do tests without their explicit permission.
Dr. Crystal Twynham
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