blood group
blood type

Or maybe he has the same blood type as me.

They should be back with blood type any minute now.

And what if the blood type turned out to show he had nothing to do with it?

It's not the most common blood type around, especially in a small hospital like this one.

"Can you think of another way for me to find out their blood types?"

The blood type did not match up with either woman's.

Children at schools have been split up according to their blood type.

Science has found that there are eight major blood types.

"And would you read your blood type from the certificate to the court?"

For others, the impulse seems to be in their systems, like a blood type.