Blood bank

Work up a positive antibody screen: read the panel, rule out, run the tests that settle what is left, type the patient and crossmatch units for issue.

What to know first

Pretransfusion Testing: ABO, Antibody Investigation, and Compatibility
Rh and Other Blood Group Systems

How long it takes

About 20 to 30 minutes a case. Reading a gel card takes about a minute.

What's free

The first case, an anti-E, and reading a gel card open without an account. A free account opens every case.

Read a gel cardWorking at the bench needs JavaScript.