Most critical access hospitals have an antibiotic stewardship policy. Fewer have a program that would hold up if a surveyor asked to see last quarter’s antibiotic use data, the minutes where it was reported to medical staff, and proof that the program leader is actually qualified to lead it.

That gap matters. Stewardship is a Medicare Condition of Participation, it now ties into Promoting Interoperability reporting, and it’s one of the most direct levers a small hospital has on C. difficile, resistance, and drug spend. Here’s what the rules say and a checklist to see where your program stands.

What CMS requires of critical access hospitals

The stewardship requirement for CAHs sits in 42 CFR 485.640, the infection prevention, control, and antibiotic stewardship Condition of Participation. In plain terms, it requires that:

• A qualified leader is appointed. The governing body appoints a stewardship program leader with training or experience in infectious diseases and/or antibiotic stewardship, based on recommendations from medical staff and pharmacy leadership.
• The program is coordinated. It works with infection prevention and control, QAPI, medical staff, nursing, and pharmacy.
• Improvement is documented. The program documents evidence-based antibiotic use across departments and services, along with improvements, including sustained ones.
• It follows national guidelines. The program adheres to nationally recognized guidelines and best practices and reflects the scope and complexity of the services the CAH provides.
• Leadership is accountable. The governing body ensures systems are in place to track antibiotic use and demonstrate the program’s implementation, success, and sustainability, and that antibiotic issues are addressed with QAPI leadership.

The program leader is also responsible for developing the program, keeping documentation, communicating with medical staff, nursing, and pharmacy leadership, and providing competency-based training. Hospitals in a multi-facility system may use a unified system-wide program, but each CAH still has to meet every requirement and designate a qualified local person to work with it.

The reporting piece many small hospitals miss

Starting with the CY 2024 EHR reporting period, CMS added an Antimicrobial Use and Resistance (AUR) Surveillance measure to the Medicare Promoting Interoperability Program for eligible hospitals and CAHs. Facilities must attest that they are in active engagement with CDC’s National Healthcare Safety Network (NHSN) to submit AUR data, or claim an applicable exclusion, according to the CDC. If your team hasn’t confirmed your AUR status with your EHR vendor and IT, put it near the top of the list.

“Meets the Core Elements” is no longer the bar

CDC’s seven Core Elements (leadership commitment, accountability, pharmacy expertise, action, tracking, reporting, and education) are the national framework most programs are built on. By that measure, the country looks good: in 2024, 97% of U.S. hospitals reported meeting all seven, according to CDC’s 2025 stewardship report.

In 2022, CDC released a more demanding set of Priorities for Hospital Core Element Implementation. Only 16% of hospitals met all six in 2024. The priorities are a useful way to find out whether a program is real or only on paper, and they’re the backbone of the checklist below.

The checklist

Leadership and accountability

• The governing body has formally appointed the stewardship leader, and the appointment is documented.
• The leader’s training or experience in ID or stewardship is on file (ID specialty training, a stewardship certificate program, or other stewardship training).
• Stewardship duties are written into the leader’s contract, job description, or performance review, with dedicated time.
• The program has a physician leader with a pharmacist involved. CDC’s priorities allow this structure for CAHs in place of formal physician-pharmacist co-leadership.
• The board receives stewardship updates on a set schedule.

Action

• You have facility-specific treatment recommendations for at least one common condition. CDC’s guide for small and critical access hospitals suggests starting with community-acquired pneumonia, urinary tract infections, and skin and soft tissue infections.
• The program performs prospective audit and feedback or preauthorization.
• A pharmacist reviews active antibiotic orders for things like duplicate therapy, IV-to-oral opportunities, and renal dosing.
• Prescribers re-evaluate antibiotics once culture results are back, with nurses and pharmacists prompting the “time-out.”
• Antibiotic orders require an indication.

Tracking and reporting

• Antibiotic use data is submitted to the NHSN Antimicrobial Use (AU) Option.
• Days of therapy are tracked over time, not just antibiotic spending, which CDC cautions is a poor measure of program effect.
• Infection prevention and stewardship share data on C. difficile and resistant organisms.
• Antibiotic use reports go to prescribers at least once a year.
• The program monitors adherence to its own treatment recommendations for at least one condition.
• Stewardship results are a standing item for P&T, quality, medical staff, and the board, and minutes show it.

Education

• Competency-based stewardship training is documented for relevant staff, as 42 CFR 485.640 requires.
• Stewardship is part of orientation and credentialing for new providers.
• Patients and families get plain-language information on appropriate antibiotic use.

Where remote ID support fits

The hardest items for a small hospital are usually the ones that need infectious disease expertise: a qualified leader, a physician partner, treatment recommendations built on your own resistance data, and someone to give prescribers credible feedback. CDC’s small and critical access hospital guide suggests funding remote consultation with ID physicians and pharmacists to fill that gap, while noting that “even when remote expertise is used, it is important to have a leader of the program who is on staff at the hospital.”

That’s the model that tends to work: your pharmacist runs the program locally, and a tele-ID physician provides the specialist leadership behind it. Together they can build local guidance, review cases, interpret NHSN reports, and present results to medical staff. We covered the broader case for this approach in our guide to tele-infectious disease for rural hospitals.

IDSS is physician-owned and physician-centered. Our 16 infectious disease physicians support antimicrobial stewardship, infection prevention, and inpatient ID consults by telemedicine, and we handle licensing and credentialing for your state. If you already have ID physicians, we also provide gap and backup coverage so your program doesn’t stall when they’re out.

Frequently asked questions

Are critical access hospitals required to have an antibiotic stewardship program?

Yes. Under 42 CFR 485.640, every CAH that participates in Medicare must have an active antibiotic stewardship program, coordinated with infection prevention and QAPI and led by a qualified individual appointed by the governing body.

Who can lead a stewardship program at a critical access hospital?

CMS requires a leader with training or experience in infectious diseases and/or antibiotic stewardship. At many CAHs that’s a pharmacist with stewardship training, supported by a physician. CDC advises keeping an on-staff leader even when ID expertise comes from a remote partner.

Do critical access hospitals have to report antibiotic use to NHSN?

Beginning with CY 2024, CAHs in the Medicare Promoting Interoperability Program must attest to active engagement with NHSN to submit antimicrobial use and resistance data, or claim an applicable exclusion. Submitting AU data is also one of CDC’s six stewardship priorities.

Can a telemedicine ID physician support our stewardship program?

Yes. CDC’s guidance for small and critical access hospitals specifically suggests remote consultation with ID physicians and pharmacists. A tele-ID physician can partner with your local pharmacist on guidelines, case review, data review, and reporting to medical staff.