One-on-one AAB teaching that adapts to you β with the patience to explain it ten different ways.

Choose from four teacher personalities with lifelike AI-generated portraits and natural US-English voices.

Premium natural voices for Pro members, and the option to teach with your own recorded voice (with your consent).

Watch QC rules, Westgard charts and CLIA requirements mapped out on the board.

Concepts you can picture, tied to everyday situations you already understand.

Westgard-rule shortcuts, CLIA personnel-requirement tables and bench-to-director memory hooks.

Missed a question? One click sends it to your teacher, who walks you through every answer choice.
Every AAB examination: ABOR bench-level (MT, MLT, MDxT, ALS, ELS) and ABB director, supervisor and consultant exams (HCLD, BCLD, PHLD, TS, ALD, ELD, CC).
ABOR Basic Knowledge (MT, MDxT, ALS, ELS) Β· MT(AAB) Generalist Β· MT(AAB) Chemistry Discipline Β· MT(AAB) Hematology Discipline
Study ABOR β bench level βABB General Knowledge (HCLD, BCLD, PHLD) Β· ABB Chemistry (incl. Urinalysis, Endocrinology, Toxicology) Β· ABB Diagnostic Immunology Β· ABB Hematology (incl. Flow Cytometry)
Study ABB β supervisor and director βYour AI teacher connects every AAB skill to real situations β the lab, the clinic, the pharmacy and the career youβre working toward.




Illustrative AI-generated portraits. They show the look of our AI teachers and the students we build for β they are not real people, testimonials or reviews.
Warm and visual, high-energy coach, precise and Socratic, or calm storyteller.
Type or talk. βTeach me this topic,β βWhy is B wrong?β, βQuiz me.β
Watch diagrams appear, hear the explanation, and answer a quick check question.
Take realistic full-length tests, review every question, and send misses back to your teacher.

Small steps from basics to AAB-level questions.

Diagram-first teaching for visual learners.

Every idea anchored in something you already know.

Guided questions so you reason it out yourself.

Model answers and solutions explained line by line.

Hooks, patterns and recall practice.

High-yield summary, then an original practice question.
| Private human tutor | CLIABoardTests AAB | |
|---|---|---|
| Typical cost | Often $100+ per hour | $179.99 per course for 1 year, or $69.99/month |
| Availability | Scheduled sessions | 24/7, as long as you need |
| Teaching styles | Usually one | Seven, switch any time |
| Diagrams | When they have time | Live whiteboard in every topic |
| Full-length practice | Bought separately | All full-length tests of your course included with Pro |
| Patience | Limited by the clock | Explains it again β and again |
No. Your teachers are AI-powered characters shown with AI-generated portrait images and synthetic voices, designed to teach like a patient private tutor. Theyβll always tell you so if you ask.
No. Every question is original and written to match the official format of the AAB (ABB and ABOR) Certification Exams. We are not affiliated with or endorsed by the American Association of Bioanalysts (AAB), its American Board of Bioanalysis (ABB) and AAB Board of Registry (ABOR).
No. Clinical questions, explanations and lessons are for exam preparation only β not advice for real patients.
Scores are estimates based on your answers. Theyβre useful for tracking progress, but no practice test can predict your official score exactly.
Yes β abbtests.com is the CLIABoardTests site for the AAB. Preparing for more than one test? See ascptest.com (ASCP), abcctests.com (ABCC) or the hub for all nine boards at cliaboardtests.com.
Yes β cancel any time from your account page. You keep Pro until the end of the billing period.
Take Practice Test 1 free and start daily lessons β then unlock all the tests of your course with Pro.
βΆ Start Practice Test 1 free See plansAlso preparing for ASCP or ABCC? Β· All nine boards: cliaboardtests.com