CNA, LPN, RN — the differences
Three roles that work side by side and are trained, licensed and paid very differently. What separates them, and how people move between them.
· updated · 7 min
The short version
CNA — a certified nurse aide. Weeks to months of approved training, a two-part state exam, and a registry listing. Provides direct personal care under the supervision of a nurse.
LPN or LVN — a licensed practical (or vocational) nurse. Roughly a year of training, a national licensing examination, and a state licence. Performs nursing care within a defined scope, usually under an RN or physician.
RN — a registered nurse. Two to four years depending on the degree route, a national licensing examination, and a state licence. The widest scope, assessment and care planning, and the supervising role over the other two.
The three work side by side and the boundaries between them are set by state law and by employer policy, not by custom. That is worth stating plainly, because "can a CNA do X" is answered by your state's nurse practice act and your facility's policy — never by a website.
Where the real differences sit
Time and cost to enter. The largest practical difference. A CNA route is measured in weeks or months and is sometimes paid for by an employer. An RN route is measured in years and carries real tuition. That gap is why so many people enter here first.
Certification versus licensure. A CNA is certified and appears on a state registry. LPNs and RNs are licensed, which is a different legal instrument with different renewal, different discipline and different portability.
What you may do. Scope widens at each step, and it widens most sharply in assessment and in medication. What is inside a nurse aide's scope varies more between states than people expect — some tasks are permitted in one state and prohibited in another, and some require an additional state-approved certification on top.
How much time you spend with patients. This one runs the other way. Aides typically have the most direct contact and RNs the least, which is worth weighing if that contact is why you are interested at all.
Moving between them
The path is well worn and the programmes are built for it. CNA-to-LPN and LPN-to-RN bridge programmes exist in most states, and they are designed around people who are already working — evenings, weekends, part-time.
Starting as an aide has three real advantages if nursing is the goal. You find out early whether the work suits you, at low cost, before committing years to it. You accumulate patient-care experience, which some nursing programmes value in admissions. And a good number of healthcare employers offer tuition assistance to existing staff, which is among the most underused benefits in the sector — ask about it before you enrol anywhere.
Requirements for bridge entry, and whether any of your training transfers, are set by the programme and by your state board. This site does not state either.
Which to start with
Start as a CNA if you want to be working soon, if you are not certain healthcare suits you, if cost is the binding constraint, or if you want the experience before committing to a longer programme.
Go straight to LPN or RN if you already know nursing is the goal, you can fund and sit out the training period, and you would rather not spend a year in a role you intend to leave.
Neither is the sophisticated answer. The wrong move is enrolling in a multi-year programme without ever having been on a floor — which is precisely the risk the shorter route removes. What a shift actually involves is the honest preview.
If the CNA route is the one you want, the five steps set it out, and the practice banks cover the written exam free and in full.
Editor's notes
Written by CNA Practice Free about the piece above — not reader submissions.
"Never by a website" includes this website
The line about scope — that "can a CNA do X" is answered by your state's nurse practice act and your facility's policy, never by a website — is written to include the page it is on.
Everything in the comparison is a description of how the three roles are generally structured. None of it is a statement about what you personally may do in the building you work in, and the two differ often enough that the general version cannot be used to settle the specific one.
There are no wages in a comparison of three jobs
It is the first thing most readers want and it is absent from every row. Pay for all three varies by state, by setting, by employer and by shift, and a single figure would flatten all of that into something that reads as authoritative and is not.
Official occupation statistics publish this properly, broken down by area, and that is where the question belongs. This site makes no wage claims.
"The path is well worn" describes programmes, not outcomes
Bridge programmes from aide to practical nurse and from practical to registered nurse exist and are built around people already working. That is a fact about how education is organised.
It is not a claim about how many people complete them, how long it takes in practice, or what it does for anyone's prospects. Starting as an aide is presented as a cheap way to find out early whether the work suits you, which is a benefit that does not depend on any of those.
Common questions
- What is the difference between a CNA, an LPN and an RN?
- Training length and legal status, mainly. A CNA completes weeks to months of approved training and is certified on a state registry. An LPN trains for roughly a year and is licensed. An RN trains two to four years, is licensed, and holds the widest scope including assessment and care planning.
- Is a CNA certified or licensed?
- Certified, and listed on a state nurse aide registry. LPNs and RNs are licensed, which is a different legal instrument with different renewal, discipline and portability. The distinction matters more than it sounds when you move state.
- Should I start as a CNA before becoming a nurse?
- It is a reasonable route if you are not certain healthcare suits you, if cost is the binding constraint, or if you want to be working soon. You find out early, at low cost, before committing years — and many employers offer tuition assistance to existing staff.
- Can I go from CNA to LPN or RN?
- Yes — bridge programmes exist in most states and are built around people already working, with evening and part-time options. Entry requirements and whether any training transfers are set by the programme and your state board.
- Which role spends the most time with patients?
- The CNA, typically, and it runs opposite to scope and pay. Aides have the most direct contact and RNs the least, which is worth weighing if that contact is the reason you are interested in the first place.