AB (active bilaterally)

ABA (applied behavior analysis)

Abb (abbreviated)

ABC (avidin-biotin complex)

ABC (active breathing control)

ABC (automated blood count)

ABC (absolute basophil count)

ABC (advanced breast cancer)

ABC (airway, breathing, circulation)

ABCD2 (age, blood pressure, clinical findings, duration of symptoms, diabetes mellitus (stroke risk score))