Start here: the 30-second self-check
Work down this list and stop at the first row that describes you. That is almost certainly your pathway.
Did you graduate from a programmatically accredited invasive cardiovascular technology program?
RCIS4 You qualify on the strength of the program alone. No work-experience requirement, no procedure count. Stop here — this is the cleanest route CCI offers.
Did you graduate from an invasive cardiovascular program that was not programmatically accredited?
RCIS5 You qualify through your program plus additional specialty training — at least one year including at least 800 clinical hours.
Are you an RN, RT, RRT, paramedic, or other health-science graduate now working in a cath lab?
RCIS235 This is the experience route, and it is the one most people in the field use. You need one year of full-time invasive cardiovascular experience and 600 documented cardiac diagnostic or interventional procedures.
None of the above — you are interested in the field but not yet in it?
NOT YET No pathway is open to you until you either enroll in a program or get into a lab. Start with how to become a cath lab tech — that decision comes before this one.
Every pathway also requires a high school diploma or GED. Full requirement detail for each route is below, and the summary table lives in the RCIS exam guide's eligibility section.
The most important thing on this page: your pathway is determined by how you got here, not by what you would prefer. You do not choose among the three. You identify which one your history already places you in — and the single factor that decides it most often is whether your program held programmatic accreditation.
RCIS235 — the experience pathway
RCIS235
The route most working cath lab staff use — nurses, radiologic technologists, respiratory therapists, paramedics.
What CCI requires:
- Graduation from a health-science program — nursing, radiologic technology, respiratory therapy, paramedic training and similar all count
- One year of full-time invasive cardiovascular experience
- 600 cardiac diagnostic or interventional procedures, documented
- High school diploma or GED
Who this actually fits. If you were already licensed in another allied-health discipline and then moved into a cath lab, this is you. It is by far the most common route, and it is the reason the RCIS is usually earned after being hired rather than before — you cannot accumulate a year of invasive cardiovascular experience without already working in an invasive cardiovascular lab.
Where people get tripped up:
- Assuming any cardiac experience counts. The requirement is invasive cardiovascular experience. Time in telemetry, echo, or a non-invasive cardiology clinic is valuable clinically but is not the same category. If you are unsure whether your role qualifies, ask CCI before you count on it — not after you have applied.
- Reconstructing the procedure count from memory. This is the big one. People reach the one-year mark, sit down to apply, and then try to reverse-engineer 600 procedures out of old schedules. Start a log on your first day in the lab even if the exam feels far off. A running count costs you thirty seconds a shift and saves a genuinely miserable weekend later.
- Waiting until the year is complete to start studying. Eligibility and readiness are different clocks. The year is a floor for applying, not a recommendation for when to begin preparing.
RCIS4 — the accredited-program pathway
RCIS4
Graduates of programmatically accredited invasive cardiovascular technology programs.
What CCI requires:
- Graduation from a programmatically accredited invasive cardiovascular technology program
- High school diploma or GED
That is the whole requirement. No work-experience minimum. No procedure count.
Who this actually fits. New graduates of accredited CVT programs — and it is worth appreciating how much of an advantage this is. An RCIS4 candidate can sit for the exam roughly a year earlier than a classmate who took the crossover route, without documenting a single procedure.
The thing to verify before you enroll anywhere: "accredited" is doing enormous work in that sentence. What matters is programmatic accreditation of the invasive cardiovascular program specifically — not that the college holds regional institutional accreditation, which nearly all of them do. A school can be perfectly legitimate, fully institutionally accredited, and still route its graduates to RCIS5 rather than RCIS4.
This is the single most consequential thing on this page for anyone still choosing a program. Confirm a program's programmatic accreditation status in writing, from the accrediting body, before you pay tuition. Admissions departments have been known to answer the institutional question when you asked the programmatic one.
RCIS5 — the non-accredited-program pathway
RCIS5
Graduates of non-accredited invasive cardiovascular programs, including many hospital-based programs.
What CCI requires:
- Graduation from a non-accredited invasive cardiovascular program
- At least one year of specialty training including at least 800 clinical hours
- High school diploma or GED
Who this actually fits. Graduates of hospital-based training programs and other non-CAAHEP routes. These programs are often excellent — a hospital-run program attached to a high-volume lab can produce very strong technologists — but the accreditation status changes which pathway you land in.
Where people get tripped up: the 800 clinical hours are a documentation problem before they are a training problem. Most people who complete a legitimate program have long since met the hour requirement; what they lack is a record of it in a form someone else can verify. If you are in a non-accredited program right now, ask your program director how hours are documented and whether you will be able to obtain that record after you graduate. Getting it while you are still enrolled is far easier than tracking down a program coordinator two years later.
The three side by side
| Pathway | Core requirement | Work experience needed? | Procedure count? |
|---|---|---|---|
| RCIS235 | Health-science program graduate | Yes — 1 year full-time invasive CV | Yes — 600 |
| RCIS4 | Programmatically accredited invasive CV program | No | No |
| RCIS5 | Non-accredited invasive CV program | Yes — 1 year specialty training, ≥800 clinical hours | No |
Eligibility requirements are set by CCI and are summarized here as verified against CCI's official RCIS page. Requirements change — confirm current rules and the exact application documentation format directly with CCI before you apply. All three pathways additionally require a high school diploma or GED.
The pathway question I get asked most
It is not really a pathway question. It is a timing question wearing a pathway question's clothes, and it sounds like this: "I hit my year next month — should I sit for it right away?"
My answer is almost always no, and people are usually surprised by that, because they assume a manager wants the credential on the wall as fast as possible.
Here is the reasoning. Eligibility means CCI will let you register. It does not mean you are prepared. Those two things get conflated constantly, and the cost of the conflation is a failed attempt, $365, and — the part that actually worries me — a hit to a good person's confidence that I then have to spend months undoing. I would rather someone sit three months later and pass than sit the week they become eligible and fail.
The related question I get is from the other direction, usually from someone experienced: "Do I really need to study for this? I have been doing the work for eleven years." Yes. Length of service and exam readiness are close to unrelated, and the veterans are the group I see caught out most often. Doing the work builds pattern recognition. The exam tests mechanism. Those are different skills, and the second one atrophies if nothing is asking you to use it.
Two other things worth saying to anyone at the eligibility stage:
- Log your procedures from day one. I have watched competent people delay their application by months because the count existed only in their memory. Nobody ever regretted keeping the log.
- Ask your manager what the credential is worth here, specifically. Pay steps, clinical ladders, differentials, and tuition or exam-fee reimbursement vary enormously between institutions, and many places will pay for the attempt if you ask. Very few people ask. It is a short conversation with a potentially large answer, and no reasonable manager will hold the question against you — if anything, I read it as someone taking their own development seriously.
Once you know your pathway
Identifying the route is the easy half. What follows:
- Confirm the current requirements with CCI directly. This page is accurate as of the verification date in the header, but CCI owns these rules and changes them. Do not make plans against a third-party summary — including this one — without checking the source.
- Assemble documentation early. Procedure logs, clinical-hour records, program transcripts, and any supervisor verification your pathway calls for. Documentation delays applications more often than requirements disqualify people.
- Find out what the exam actually tests. The content blueprint is public and weighted: diagnostic procedures are 40% of the exam and interventional 34%. Study to the weights.
- Get a baseline before you build a study plan. Knowing your weakest domain is worth more than a general timeline.
Find out where you actually stand
A free 25-question diagnostic matched to the CCI blueprint, with a topic-level breakdown showing which domains need the work. No account required to start, and every question comes with a worked explanation.
Take the free diagnosticEligibility FAQ
How many RCIS eligibility pathways are there?
Three — RCIS235 (clinical experience), RCIS4 (accredited program graduate), and RCIS5 (non-accredited program plus specialty training). All three also require a high school diploma or GED.
Which pathway do nurses use?
RCIS235. Nursing is a health-science program, so RNs qualify once they have a year of full-time invasive cardiovascular experience and 600 documented procedures. See can nurses take the RCIS exam.
Can I qualify as a radiologic technologist?
Yes — radiologic technology is a health-science program, so RTs working in a cath lab qualify under RCIS235 on the same terms as nurses.
Do I always need a year of experience?
No. RCIS4 graduates of programmatically accredited invasive cardiovascular technology programs qualify without a work-experience requirement or a procedure count.
What is the difference between RCIS4 and RCIS5?
Programmatic accreditation. Accredited-program graduates take RCIS4 with no added requirement; non-accredited-program graduates take RCIS5 and must also document a year of specialty training including at least 800 clinical hours.
Does telemetry or echo experience count toward the year?
The requirement specifies invasive cardiovascular experience. Non-invasive cardiology roles are a different category — confirm your specific role with CCI before counting on it.
How do I document 600 procedures?
Keep a contemporaneous log rather than reconstructing counts later, and confirm the current documentation and verification format with CCI before submitting — the application format is CCI's and changes.
Is the exam different depending on my pathway?
No. The pathway only governs how you qualify to register. Everyone sits the same 170-question RCIS exam against the same blueprint and the same 650 scaled passing score.
Keep reading
- The RCIS exam: complete 2026 guide — format, blueprint, fees, scoring, study plan
- How to become a cath lab tech — if you are not in a lab yet
- RCIS exam pass rate — CCI's official 75% figure
- Can nurses take the RCIS exam?
- The RCES exam guide — the EP lab credential and its own pathways
- 25 free RCIS practice questions