What Is NFPA 99? The Healthcare Facilities Code Explained for SNF Administrators

NFPA 99, the Health Care Facilities Code, is the primary technical standard governing electrical safety, gas and vacuum systems, emergency power, and patient care equipment in U.S. healthcare facilities. Published by the National Fire Protection Association and updated on a three-year revision cycle, it is the document that defines what "safe" means for the electrical equipment in your skilled nursing facility.

Why NFPA 99 Matters for Skilled Nursing Facilities

NFPA 99 is not a law by itself — it is a consensus standard. However, CMS has adopted it as the technical baseline for its Conditions of Participation for skilled nursing facilities. When a CMS surveyor cites a deficiency related to patient care electrical equipment, the underlying standard is almost always NFPA 99. Non-compliance can result in survey deficiencies, plans of correction, and in serious cases, loss of Medicare and Medicaid certification.

What NFPA 99 Covers

The standard is organized into chapters covering different systems and risk categories:

• Chapter 10 — Electrical Equipment: This chapter directly governs PCREE. It establishes requirements for inspecting, testing, and maintaining patient care-related electrical equipment, including leakage current limits, ground resistance requirements, and testing intervals under a risk-based framework.
• Chapter 4 — Risk Categories: NFPA 99 classifies spaces and equipment into four risk categories (1 through 4, with Category 1 being the highest risk). The applicable requirements depend on the risk category assigned to the patient care space.
• Chapter 6 — Electrical Systems: Requirements for the electrical infrastructure of healthcare facilities, including normal and essential power systems.
• Chapter 8 — Gas and Vacuum Systems: Governs medical gas piping, oxygen delivery, and vacuum systems.

Key PCREE Requirements Under NFPA 99 Chapter 10

For skilled nursing facilities, the most operationally relevant NFPA 99 requirements are:

Leakage current limits: Patient care devices must not exceed 100 microamps (μA) of chassis leakage current under normal conditions, or 500 μA under a single-fault condition. Ground conductor leakage must not exceed 500 μA.

Ground resistance: Ground resistance of patient care equipment must be tested and documented. High ground resistance can allow dangerous current levels even when a device appears to be functioning normally.

Risk-based testing intervals: The 2012 and later editions moved to a risk-based framework, allowing facilities to set testing intervals based on equipment criticality and usage patterns rather than a universal annual requirement. The tradeoff is that facilities must document their rationale for the intervals they choose.

Qualified personnel: NFPA 99 requires that testing be performed by personnel with appropriate technical training and credentials — typically a Certified Biomedical Equipment Technician (CBET) or equivalent.

Post-repair testing: Any device that has been repaired or involved in a failure event must be tested before returning to patient care use.

NFPA 99 and the 2012 Risk-Based Shift

The 2012 edition of NFPA 99 was a significant revision that moved away from prescriptive, facility-type-based requirements toward a risk-based approach. Healthcare facilities now have more flexibility to tailor their equipment management programs to their specific patient populations and care environments — but with that flexibility comes an obligation to document their risk assessments and justify their compliance decisions.

Where to Find NFPA 99

The current edition of NFPA 99 is available for purchase at nfpa.org. Healthcare facilities can also access it through the NFPA's online reading room, which allows free digital access to many NFPA standards. Your biomedical vendor should be familiar with the current edition and able to confirm that their testing protocols align with it.