- Both parts cost $200 each, plus a nonrefundable $500 application fee - $900 total if taken together.
- Part A is 30 questions in 3 hours; Part B is 140 questions in 3.5 hours, with no prescheduled breaks since February 2026.
- You get two attempts per part within a three-year eligibility window - plan accordingly.
- Five-year average pass rates sit at 53% (Part A) and 55% (Part B) - respect both parts equally.
Quick Facts Snapshot
If you only have five minutes before a study session, this is the page to bookmark. Board Certification in Clinical Chemistry (CC) is administered by the American Board of Clinical Chemistry (ABCC) through Kryterion testing centers. Everything below is drawn directly from current program requirements - no rounding, no guessing.
| Item | Detail |
|---|---|
| Certifying body | American Board of Clinical Chemistry (ABCC) |
| Testing vendor | Kryterion testing centers, in person |
| Application fee | $500, nonrefundable |
| Exam fee per part | $200 (Part A and Part B each) |
| Total if both parts taken | $900 |
| Part A length | 30 questions, 3 hours |
| Part B length | 140 questions, 3.5 hours |
| Attempts allowed | Two per part |
| Eligibility window | 3 years to pass both parts |
| Five-year pass rate | 53% Part A / 55% Part B |
| CE for maintenance | 50 hours + $350 every 2 years |
For a deeper breakdown of every dollar amount and what drives them, see the CC Certification Cost 2026: Complete Pricing Breakdown. If you're still deciding whether this credential is worth pursuing given the investment, the Is the CC Certification Worth It? Complete ROI Analysis 2026 article walks through that calculus.
The Seven Domains at a Glance
The CC exam is organized around seven official knowledge areas. Part B carries the overwhelming majority of the question load - 140 of the 170 total questions across both parts - so treat these domains as the backbone of your study plan, not a side reference.
Domain 1: Clinical Chemistry Interpretation and Problem Solving
Tests your ability to interpret lab values in context, not just recognize reference ranges.
- Pattern recognition across panels rather than isolated analytes
Domain 2: Clinical Case Approach
Presents patient scenarios requiring you to connect lab data to clinical decision-making.
- Practice reasoning from symptom to test to diagnosis, not just memorizing facts
Domain 3: Analytical, Instrumentation, and Methodology
Covers how results are actually generated - method principles, interferences, and platform limitations.
- Know the strengths and failure points of common analytical methods
Domain 4: Statistical Analysis and Mathematics
Heavily represented in Part A's calculation-driven format.
- Comfort with formulas under time pressure matters more than theory
Domain 5: Toxicology
Focused, but non-negotiable - expect questions on drug classes, thresholds, and interpretation pitfalls.
Domain 6: Regulatory, Management, and Quality Assurance
Quality control rules, regulatory frameworks, and lab management concepts show up consistently.
Domain 7: Molecular and Genetics
A smaller but growing slice of the content - don't skip it just because it feels newer territory.
For a full breakdown of weighting, sample question styles, and how each domain maps to Part A versus Part B, see the CC Exam Domains 2026: Complete Guide to All 7 Content Areas.
Registration & Fee Mechanics
Money mistakes here are avoidable if you understand the structure upfront:
- The $500 application fee is nonrefundable - it's charged once regardless of how many parts you eventually take.
- Each exam part costs $200, so sitting for both parts in the same eligibility cycle brings your total to $900.
- You have a three-year eligibility period from approval to pass both Part A and Part B.
- Each part can be attempted a maximum of two times - there is no third try within a single eligibility period.
- Testing is delivered in person at Kryterion centers, and as of February 2026 there are no prescheduled breaks during either part.
Because attempts are capped and the clock is running from the moment you're approved, treat your first sitting of each part as the one that counts. Rescheduling due to under-preparation costs both money and one of your two chances. For exact windows and how to plan around them, check CC Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
Exam Day Format: Part A vs. Part B
These two parts test genuinely different skills, and conflating them is a common planning mistake.
| Feature | Part A: Calculations and Problem Solving | Part B: Analytical and Clinical Issues |
|---|---|---|
| Question count | 30 | 140 |
| Time allotted | 3 hours | 3.5 hours |
| Format | Five-option multiple choice | Five-option multiple choice |
| Primary domain emphasis | Statistical Analysis and Mathematics, Clinical Chemistry Interpretation | All seven domains, weighted toward Analytical/Instrumentation, Clinical Case Approach, Regulatory/QA |
| Attempts allowed | 2 within eligibility window | 2 within eligibility window |
Part A's 30 questions in 3 hours gives you roughly six minutes per question - generous for calculations if you know your formulas cold, brutal if you're deriving them from scratch mid-exam. Part B's 140 questions in 3.5 hours moves faster: about 90 seconds per question on average, which rewards recognition speed over deep derivation. Since breaks are no longer prescheduled, plan your own pacing checkpoints mentally before you sit down.
Key Takeaway
Don't split your study time 50/50 between parts just because there are two exams. Part B's 140 questions and heavier domain spread justify more calendar time than Part A's 30-question, formula-driven format.
Eligibility Recap
Before you even pay the $500 application fee, confirm you meet the standard pathway:
- An accepted doctoral degree
- At least 30 semester hours of qualifying coursework
- Five years of postdoctoral professional experience in an approved clinical-laboratory setting
- Three professional references
Accredited-fellowship completion or alternate-board credentials can shorten the required experience timeline - worth investigating early if you're not on the standard five-year track. For the full eligibility breakdown, including how exceptions are evaluated, see CC Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Pass Rate Reality Check
The published average cumulative five-year pass rates are 53% for Part A and 55% for Part B. These numbers matter for two reasons: first, they confirm that neither part is a formality - roughly half of attempts don't clear the bar. Second, because you're capped at two attempts per part within your three-year window, a failed first attempt isn't catastrophic, but it does remove your margin for error on the second try.
Don't read these percentages as a coin flip on exam day. They're cumulative averages across many candidates and multiple sittings, not a prediction for any individual who has actually put in structured domain-by-domain review. For a full statistical breakdown and what factors correlate with passing, read CC Pass Rate 2026: What the Data Shows. If you want a broader sense of where the real difficulty lies - content depth, time pressure, or the newer no-break format - the How Hard Is the CC Exam? Complete Difficulty Guide 2026 article covers that in detail.
Domain Priority Map by Week
A generic study calendar won't help you here - what matters is sequencing domains so the heaviest, most time-consuming material gets the longest runway. Here's a CC-specific way to allocate an eight-week window before your test date, front-loading the domains that carry the most Part B weight and saving calculation-heavy Domain 4 for a dedicated final stretch closer to Part A.
Analytical, Instrumentation, and Methodology (Domain 3)
- Build a reference sheet of method principles and common interferences
- Work through instrument-specific failure scenarios
Clinical Case Approach & Interpretation (Domains 1-2)
- Drill case-based reasoning from symptom to result to decision
- Practice recognizing panel-level patterns instead of single values
Regulatory, Management, and QA (Domain 6)
- Memorize QC rule structures and regulatory frameworks cold
Toxicology & Molecular/Genetics (Domains 5, 7)
- Cover the smaller domains thoroughly - they're easy to under-prepare for
Statistical Analysis and Mathematics (Domain 4) + Full Timed Runs
- Isolate formula practice for Part A's calculation questions
- Simulate the no-break, in-person format under real time limits
This isn't a rigid template - adjust it based on where your own knowledge gaps are. For a more comprehensive first-attempt strategy that goes beyond scheduling, see the CC Study Guide 2026: How to Pass on Your First Attempt. And once your recall feels solid, run full-length timed practice sessions through our practice test platform to get used to the pacing before exam day.
Keeping DABCC Status Active
Passing both parts isn't the finish line. Active DABCC status requires 50 continuing-education contact hours and a $350 renewal fee every two years. Build this into your long-term career planning the same way you'd plan for the exam itself - CE tracking that's left until the last few months of a renewal cycle becomes a scramble.
Employers hiring for clinical chemistry roles - reference laboratories, hospital labs, diagnostics manufacturers, and public health labs - generally view active DABCC status as evidence of both initial competency and ongoing engagement with the field. For a sense of where certified professionals typically work, browse CC Jobs, and for how certification maintenance factors into long-term compensation trends, see the CC Salary Guide 2026: Complete Earnings Analysis.
Key Takeaway
Set calendar reminders at the start of each two-year renewal cycle for both the 50 CE hours and the $350 fee - don't let certification lapse over an administrative oversight.
Frequently Asked Questions
The nonrefundable application fee is $500, and each exam part costs $200. Taking both Part A and Part B brings the total to $900.
Part A, Calculations and Problem Solving, has 30 questions in three hours. Part B, Analytical and Clinical Issues, has 140 questions in three and a half hours.
You may attempt each part a maximum of two times, and both parts must be passed within a three-year eligibility period.
No. Since February 2026, the exam has been delivered in person at Kryterion testing centers with no prescheduled breaks during either part.
Active DABCC status requires 50 continuing-education contact hours and a $350 renewal fee every two years.
Keep this page bookmarked as your quick-reference sheet, but pair it with deeper review - start with the CC Study Guide 2026: How to Pass on Your First Attempt and run realistic timed sessions on the main practice test platform before you lock in your exam date.