100+ Free ASCP BB Practice Questions
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Key Facts: ASCP BB Exam
100
Exam Questions
ASCP BOC BB exam page
2.5 hrs
Exam Time
ASCP BOC BB exam page
400
Minimum Passing Score
ASCP 100-999 scoring scale
$240
Application Fee
ASCP BOC BB exam page
ASCP BOC lists the BB exam as 100 multiple-choice questions in 2.5 hours with scores reported on a 100-999 scale and 400 as the minimum passing score. The current BB application fee is $240. Candidates must meet specific eligibility routes including education and clinical blood banking experience.
About the ASCP BB Exam
The ASCP BB exam certifies blood banking technologists in blood group systems, compatibility testing, component preparation, transfusion reactions, hemolytic disease of the fetus and newborn, and regulatory compliance. This specialty credential validates advanced blood bank competency beyond general MLS certification.
Assessment
100 multiple-choice questions
Time Limit
2.5 hours
Passing Score
Scaled score 400 (100-999 scale)
Exam Fee
$240 (ASCP BOC / Pearson VUE)
ASCP BB Exam Content Outline
Blood Group Systems
ABO, Rh, Kell, Duffy, Kidd, MNS, Lewis, and other clinically significant blood group antigens and antibodies
Compatibility Testing
Crossmatching, antibody screening and identification, direct and indirect antiglobulin testing, and elution techniques
Component Preparation & Transfusion
Blood component manufacturing, storage, quality control, irradiation, leukoreduction, and transfusion administration
Transfusion Reactions & Hemolytic Disease
Acute and delayed transfusion reactions, HDFN evaluation and management, and prenatal/postnatal testing
Quality Management & Regulatory Compliance
AABB standards, FDA regulations, CLIA compliance, SOPs, deviation management, and proficiency testing
How to Pass the ASCP BB Exam
What You Need to Know
- Passing score: Scaled score 400 (100-999 scale)
- Assessment: 100 multiple-choice questions
- Time limit: 2.5 hours
- Exam fee: $240
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
ASCP BB Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the ASCP BB exam?
The ASCP BB exam consists of 100 multiple-choice questions administered over a 2.5-hour testing period at Pearson VUE test centers.
What score do I need to pass the ASCP BB exam?
ASCP reports exam scores on a 100-999 scale. The minimum passing score for the BB exam is 400.
What is the difference between BB(ASCP) and SBB(ASCP)?
BB(ASCP) is the technologist-level blood banking credential, while SBB(ASCP) is the specialist-level credential requiring additional graduate-level education and more extensive clinical experience in blood banking.
How much does the ASCP BB exam cost in 2026?
The current ASCP BOC BB application fee is $240 (non-refundable). This fee covers the exam application and one testing attempt.
What eligibility routes exist for the BB exam?
ASCP offers multiple eligibility routes for the BB credential, typically requiring a bachelor's degree in a relevant science plus clinical blood banking experience or completion of a blood banking specialist program.
How should I study for the ASCP BB exam?
Focus on blood group systems and compatibility testing first as they comprise the largest portion of the exam. Practice antibody identification panels, transfusion reaction workups, and component therapy scenarios under timed conditions.
Can I take the ASCP BB exam remotely?
ASCP BOC exams are administered at Pearson VUE test centers. Check the ASCP website for the most current testing format options.