- The Credential at a Glance
- Exam Format and Scoring Facts
- Eligibility Pathways in One Table
- Fees and Registration Mechanics
- The Four Competency Domains
- Reference Editions to Know
- Validity and Renewal Rules
- Source Discrepancies to Confirm With ACAC
- Reading the Numbers: Pass Ratios and Holder Counts
- Scheduling Domains by Difficulty
- Frequently Asked Questions
- The exam has 120 multiple-choice questions, three hours, closed book, with a 75% passing threshold set by Modified Angoff.
- Initial cost is $500: $100 examination plus $400 certification. Retakes are $100 and renewal is $400.
- Four distinct project sheets with verification are required, and the award needs unanimous board approval.
- Certification lasts two years; renewal needs 40 RCs, though ACAC sources disagree on details, so confirm the rules.
The Credential at a Glance
The Council-certified Environmental Infection Control Consultant (CEICC) credential is awarded by the American Council for Accredited Certification (ACAC), with exams delivered through the testing provider Kryterion. It validates that a professional can apply infection control principles to the built environment, particularly where construction, demolition, and renovation activity intersects with patient care.
This page condenses what you most need to remember. If you are new to the credential, start with What Is CEICC Certification? for background, then return here for a fast review before test day. For the broader picture of the credential itself, see CEICC Certification.
Exam Format and Scoring Facts
| Item | Must-Know Fact |
|---|---|
| Question count | 120 multiple-choice questions |
| Answer choices | At least four per question |
| Time allowed | Three hours |
| Reference materials | Closed book |
| Passing threshold | 75%, set using Modified Angoff |
| Delivery | Computer-based test center or secure online video proctoring |
| Results | Available immediately |
Three hours for 120 questions works out to a ceiling of 90 seconds per item. That is generous for recall questions, but scenario questions about containment, risk assessment, and project coordination reward careful reading, so budget time accordingly. A 75% threshold means you can miss roughly one question in four and still pass. Because the exam is closed book, you cannot look up an airflow requirement or a regulatory citation on the spot; the reference material below has to live in your head.
Modified Angoff is a standard-setting method in which subject-matter experts judge how a minimally competent candidate would perform on each item. In practice, it means the cut score reflects the difficulty of the question set rather than a fixed curve. For a deeper explanation, read CEICC Passing Score 2026: Exactly What You Need to Pass.
Eligibility Pathways in One Table
ACAC offers three education-plus-experience routes. Each pairs an academic background with documented field experience:
| Education Background | Qualifying Credits (Equivalent) | Documented Field Experience |
|---|---|---|
| Relevant four-year degree | 30 qualifying semester credits | Four years |
| Relevant two-year degree | 15 qualifying credits | Six years |
| High-school diploma or GED | None stated | Eight years |
Beyond education and experience, candidates must submit four distinct project sheets with verification. There is no mandatory training course, so you decide how to prepare. The final award requires unanimous board approval, meaning passing the exam is necessary but is one piece of a larger review. A fuller walkthrough of eligibility is in CEICC Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Fees and Registration Mechanics
| Fee | Amount (USD) |
|---|---|
| Examination fee | $100 |
| Certification fee | $400 |
| Initial total | $500 |
| Retake | $100 |
| Renewal | $400 |
The initial $500 is the sum of the $100 examination fee and the $400 certification fee. A retake costs only the $100 exam portion, which makes a second attempt relatively inexpensive compared with the full initial outlay. Renewal returns to $400. For budgeting beyond these line items, including study materials and your own time, see CEICC Certification Cost 2026: Complete Pricing Breakdown.
On timing, the current application page allows six months to complete the process, while the handbook states 90 days. Do not assume either figure is correct. Confirm the applicable deadline with ACAC before you begin, and read CEICC Exam Dates 2026: Testing Windows, Deadlines & Scheduling for planning guidance.
The Four Competency Domains
The four headings below come from the handbook's Required Skills competencies and are corroborated by the optional study guide. They are unweighted, and they do not establish exhaustive exam coverage, so treat them as a study framework rather than a blueprint with percentages. For a full breakdown, see CEICC Exam Domains 2026: Complete Guide to All 4 Content Areas.
Domain 1: Infectious Diseases and Their Modes of Transmission in the Healthcare Setting
This domain is the biological foundation. You need to connect how pathogens spread to the environmental conditions that allow them to spread.
- Distinguish transmission routes: contact, droplet, and airborne, and know which environmental controls address each.
- Understand why immunocompromised patients are especially vulnerable to environmental sources such as construction dust and mold spores.
- Link specific pathogens to the environmental reservoirs and disturbances that release them.
- Recognize that water, air, and surfaces each carry distinct risk profiles in a healthcare building.
Domain 2: Principles of Infection Control During Construction, Demolition and Renovation
This is the signature domain of the credential. Expect scenario-based questions about keeping patients safe while work happens nearby.
- Containment strategies: barriers, negative air pressure, and sealed pathways for debris and workers.
- Dust control at the source, including wet methods, HEPA filtration, and cleaning protocols.
- Traffic routing so construction personnel and materials avoid patient areas.
- Why ventilation system integrity matters when walls are opened or ceilings are disturbed.
Domain 3: Infection Control Project Management
This domain tests whether you can run the process, not just know the science. It is where field experience tends to help most.
- Pre-construction risk assessment and how its findings shape the work plan.
- Coordinating with facilities, clinical staff, contractors, and administrators.
- Documentation, monitoring, and the authority to stop work when controls fail.
- Communication practices that keep every party aligned on expectations and responsibilities.
Domain 4: Effective Infection Control Practices
This domain covers the practices that sustain a safe environment day to day, including worker protection and professional conduct.
- Bloodborne pathogen precautions and worker-protection requirements.
- Respiratory protection selection logic and when it applies.
- Cleaning, disinfection, and environmental maintenance practices.
- The ACAC Code of Conduct and ethical expectations of a certified consultant.
Reference Editions to Know
Knowing the specific editions matters because standards change and questions are written against particular sources. The references tied to this credential are:
- CDC environmental infection control guideline: 2003 edition, updated 2019.
- OSHA 29 CFR 1910.1030: the bloodborne pathogens standard.
- NIOSH Respirator Selection Logic: 2004 edition.
- ACAC Code of Conduct.
- ASHRAE 170-2008: listed in the handbook (see the discrepancy section below).
Validity and Renewal Rules
Certification is valid for two years. Renewal under the recertification procedures requires 40 RCs, made up of 10 for continued field activity and 30 hours of professional development. Records are subject to audit, so keep certificates, attendance logs, and project documentation organized from the day you are certified rather than reconstructing them at the deadline. The renewal fee is $400.
The two-year cycle also shapes the long-term value question. If you are weighing ongoing costs against career benefit, read Is the CEICC Certification Worth It? Complete ROI Analysis 2026 alongside CEICC Salary Guide 2026: Complete Earnings Analysis.
Source Discrepancies to Confirm With ACAC
ACAC's own documents are not perfectly consistent, and a careful candidate notes the conflicts instead of picking a side silently. Three are worth flagging:
| Topic | One Source Says | Another Source Says | Action |
|---|---|---|---|
| Application completion window | Application page: six months | Handbook: 90 days | Confirm the deadline with ACAC before applying |
| Renewal professional development | Recertification procedures: 40 RCs (10 field activity plus 30 hours of professional development) | Credential page: 20 professional-development hours annually | Confirm the renewal formula with ACAC when planning |
| ASHRAE 170-2008 | Handbook lists it as a reference | Linked 2020 study guide omits it | Study it anyway, since the handbook lists it |
Key Takeaway
When two official documents disagree, plan for the stricter reading and email ACAC for written clarification. For the ASHRAE 170-2008 reference, the safe approach is to include it in your study material even though the study guide does not mention it, since the handbook lists it.
Reading the Numbers: Pass Ratios and Holder Counts
ACAC's historical pass ratio reports show 3 passes from 3 examinations in 2024 (100%) and 1 pass from 1 examination in 2023 (100%). These look impressive but should not be read as a promise of easy success. The cohorts are tiny, the reports include retakes and state-license-only examinations, and they are not first-attempt success estimates. A 100% figure on one or three attempts tells you almost nothing about your own odds.
Separately, ACAC's December 31, 2025 activity report lists 25 current CEICC certifications. That is a holder count, not an exam volume, so it tells you how many people currently hold the credential rather than how many sit for the test each year. It does indicate a small, specialized professional community. For a fuller treatment, see CEICC Pass Rate 2026: What the Data Shows and How Hard Is the CEICC Exam? Complete Difficulty Guide 2026.
Scheduling Domains by Difficulty
Rather than studying the four domains in numerical order, sequence them by how much they depend on one another and on your own background. A suggested approach for a four-week final review:
Domain 1 foundations
- Review transmission routes and pathogens tied to environmental sources.
- Read the CDC environmental infection control guideline sections on air and water.
Domain 2 deep dive
- Work through containment, dust control, and ventilation scenarios.
- Study ASHRAE 170-2008 alongside the study guide material.
Domains 3 and 4
- Review risk assessment, documentation, and stop-work authority.
- Cover OSHA 29 CFR 1910.1030, NIOSH Respirator Selection Logic, and the Code of Conduct.
Integration and timing
- Take timed practice sets of 120 questions to rehearse the three-hour limit.
- Revisit weak areas and re-read the discrepancy list above.
Domain 2 gets the heaviest attention because it is the most distinctive part of the credential and the area where candidates without construction exposure tend to feel least comfortable. Practitioners from a construction background may reverse this and spend more time on Domain 1. For a fuller preparation plan, see CEICC Study Guide 2026: How to Pass on Your First Attempt, and use the CEICC practice tests to check readiness under timed conditions.
Frequently Asked Questions
The exam has 120 multiple-choice questions with at least four answer choices each, and you have three hours. It is closed book, and the passing threshold is 75%, set using Modified Angoff.
The initial total is $500, made up of a $100 examination fee and a $400 certification fee. A retake costs $100 and renewal costs $400. See the CEICC certification cost breakdown for more detail.
No. ACAC does not require a specific training course. You must meet an education-plus-experience pathway and submit four distinct project sheets with verification. If you want structured preparation anyway, see CEICC training options.
Certification is valid for two years. The recertification procedures call for 40 RCs, comprising 10 for continued field activity and 30 hours of professional development, with records subject to audit. The credential page describes 20 professional-development hours annually, so confirm the exact rule with ACAC when planning renewal.
No. The 2024 and 2023 reports reflect very small cohorts and include retakes and state-license-only examinations, so they are not first-attempt success estimates. Prepare as though the 75% threshold is a real hurdle.
Keep this sheet beside your study materials as a quick reference, and pair it with the domain-by-domain guide and timed practice from the main practice test site as exam day approaches. If you are exploring career applications, CEICC jobs covers where this credential is put to work.